By Andrew Baldock, Press Association
PUBLISHED: 13:28 EST, 29 March 2014 | UPDATED: 13:28 EST, 29 March 2014
Leicester made it eight Aviva Premiership games unbeaten as they consolidated their place in the title play-offs with a 22-16 win over Northampton at Franklin's Gardens.
And there could be fall-out for second-placed Northampton, who suffered another Premiership reversal following defeat against Sale Sharks last weekend, with Leicester's England hooker Tom Youngs having allegedly claimed he was bitten on the hand at a collapsed scrum during the first half.
Referee Wayne Barnes consulted television replays and a lengthy delay ensued, but he took no action following inconclusive re-runs.

Crucial win: Manu Tuilagi (left) and Toby Flood celebrate at the final whistle as Leicester beat Northampton 22-16 to strengthen their play-off ambitions and extend their unbeaten run to eight matches

Five star: Owen Williams kicked five penalties and one conversion as Leicester ran out winners in the East Midlands clash at Franklin's Gardens

Roar: Northampton's Ethan Waller celebrates after scoring his try but it wasn't enough to prevent Leicester winning and moving up to third in the Aviva Premiership table

Diving in: Substitute prop Waller crosses the line in the corner under pressure
MATCH FACTS
Northampton Saints: Foden, Elliott, G. Pisi, Burrell, North, Hooley, Fotuali'i, A. Waller, Hartley, Ma'afu, Lawes, C. Day, Clark, Dowson, Wood
Replacements: L. Dickson for Elliott (64), K. Pisi for G. Pisi (68), E. Waller for A. Waller (61), van Velze for Clark (65)
Not Used: Haywood, Mercey, Craig, Wilson
Tries: Fotuali'i, E. Waller
Penalties: Hooley, Wilson
Leicester Tigers: Tait, Goneva, Tuilagi, Allen, Thompstone, O. Williams, B. Youngs, Ayerza, Mulipola, T. Youngs, Deacon, Slater, Gibson, Salvi, Crane
Replacements: Harrison for Thompstone (75), Hawkins for O. Williams (68), Balmain for Mulipola (73), Flood for T. Youngs (68), Kitchener for Deacon (61)
Not Used: Stankovich, Matera, Smith
Tries: Allen
Conversions: O. Williams
Penalties: O. Williams 5
Sin Bin: B. Youngs (74)
Attendance: 13,459
Referee: Wayne Barnes (RFU)
Centre Anthony Allen's 16th-minute try - converted by fly-half Owen Williams, who also kicked five penalties - ensured east Midlands bragging rights for the Tigers, as they moved third in the table above Bath despite finishing with 13 men following yellow cards for Ben Youngs and Vereniki Goneva.
Northampton, in contrast, never really got going, despite tries by Kahn Fotuali'i and substitute prop Ethan Waller, a Will Hooley penalty and James Wilson penalty, and they also saw skipper and England star Dylan Hartley make a 31st-minute exit clutching his right shoulder.
Youngster Hooley endured a difficult afternoon with the boot, missing three out of four kicks at goal before he made way for Wilson as the hour-mark approached.
Wilson took over kicking duties and landed a penalty, yet Saints' attacking threats proved few and far between as too little was seen of juggernaut Wales wing George North and they lacked control from half-back.
Leicester, meanwhile, have not lost a Premiership match since four days before Christmas as tactical controller Williams guided them home through an impressive 17-point haul and 100 per cent goalkicking return.
And former Scarlets player Williams has unquestionably pressed claims to make the Wales squad for this summer's South Africa tour when Warren Gatland's men face Tests against the Springboks in Durban and Nelspruit.

Quick break: Manu Tuilagi tries to go the long way around Northampton's Luther Burrell

Crowded out: Vereniki Goneva tries to worm his way through the Northampton defence

No way through: Phil Dowson is brought to the ground by Leicester's Adam Thompstone (left) and Jamie Gibson
Williams has been at the forefront of Leicester moving effortlessly through the gears, and on this latest evidence, another powerful title charge is well and truly up and running.
Saints showed three changes from the side beaten by in-form Sale, with centre George Pisi and Fotuali'i both starting, while flanker Phil Dowson's selection meant England international Tom Wood moving to number eight.
Leicester were again without injured full-back Mathew Tait, so Scott Hamilton continued in the number 15 shirt, and number eight Jordan Crane made his 100th Premiership start for Tigers.
Hooley kicked Northampton into an early lead, but Leicester dominated the opening quarter in terms of territory and possession, with skipper Ed Slater a driving force.

Forward charge: Goneva looks for a route through the home defence

Injury blow: Northampton captain Dylan Hartley hobbles off the field

Options: Leicester's Ben Youngs looks for a pass during the Aviva Premiership encounter
Leicester prospered from a 16th-minute scrum, with Slater again prominent before scrum-half Ben Youngs rifled out a floated pass to an unmarked Allen, who crossed wide out.
Williams converted from the touchline and then kicked a 20th-minute penalty, with Leicester outstanding value for their seven-point lead.
Another Williams strike made it 13-3, before Northampton's afternoon showed signs of going from bad to worse when Hartley was forced off and Hooley missed a straightforward penalty chance.
Northampton, though, cut the deficit just before half-time, capitalising on quick ball from an attacking lineout as Fotuali'i cut inside Leicester's defence and touched down one-handed.
Hooley, his confidence diminishing from the kicking tee, rifled the conversion attempt wide, and Leicester trooped off with a 13-8 interval advantage.

Hauled down: Manu Tuilagi is halted by a combination of Alex Waller and Phil Dowson

Hop and skip: Vereniki Goneva tries to get a grip of George North's ankle as the Northampton man attempts to get through

Hit: Ben Foden manages to kick the ball forward before receiving the impact of a tackle

Attack: Scott Hamilton goes in low to tackle Northampton's George North

Penalty: Referee Wayne Barnes awarded Leicester a penalty
Williams extended Tigers' advantage when he completed his penalty hat-trick after 58 minutes, but that strike was quickly cancelled out by a Wilson penalty, teeing up an intense closing quarter that Leicester went into 19-11 ahead after another Williams penalty.
Williams' fifth successful penalty left Saints with a mountain to climb, although the home team collected a losing bonus point, they ultimately fell short.
Leicester did not need to be flash or pretty, with their mastery of the basics and outstanding individual displays from the likes of Williams, Slater and prop Logovi'i Mulipola proving too much for Northampton.
Tigers scrum-half Ben Youngs collected a late yellow card following a blatant technical infringement, and Goneva followed him off as Saints made their two-man advantage count through Waller's late touchdown before Barnes blew the final whistle with one second remaining on the countdown clock, much to Northampton boss Jim Mallinder's anger.
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