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The #45 Thiriet by TDS Ligier has taken a late lead in the LMP2 class from the sister OAK Ligier as the 2014 Le Mans Hours enters its latter stages.

The #35 G-Drive by OAK Ligier had been the comfortable leader of the LMP2 class since the fifth hour, pulling out a margin over more than a lap over the competition, headed up by the identical TDS machine, which in turn had only just risen to a new peak of second due to problems for the Signatech Alpine.

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However, a technical issue at the start of the hour would consign the OAK car to the garage for two laps, allowing driver-owner Pierre Thiriet to take his eponymous car to the front and move a lap ahead in the process.

Meanwhile, Andre Lotterer pumped in a new fastest lap in the third place #2 Audi, his time on lap 299 usurping the previous best - set by the #7 Toyota at the start of the race - by three tenths.

He remains in third place, with Tom Kristensen having taken over from Marc Gene at the front of the field, while the #20 Porsche Timo Bernhard circulates in a lonely second place.

In GTE Pro, the #97 Aston Martin is back out after suffering power steering issues, but is now five laps off the lead. It means the #51 AF Corse Ferrari is well on track for the win, two laps ahead of the #92 Porsche and the #73 Corvette.

The #95 Aston Martin still leads the GTE AM class by two laps from the #88 Proton Porsche and the #61 AF Corse Ferrari

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Live text commentary recap of Hour 20: Key moments in bold

Kristensen pits the lead car as the #1 Audi comes in for a quick stop and heads back out

Naughty naughty, the #43 Morand Morgan and the #29 Pegasus Morgan have both been handed stop-go penaties for speeding in the pit lane

The win may be out of the question, but Darren Turner is still pushing his Aston Martin - he has just set the fastest lap of the GT cars

It's crashed, been in and out of the pit lane and picked up two stop-go penalties for speeding in the pit lane during this race, but the #27 SMP Oreca has plugged away... though it has just been wheeled into the garage again

The #35 OAK Ligier can't take advantage, coming into the pits too

The LMP2 leading #46 Thiriet by TDS Ligier is in the pit lane, with Thiriet passing over to Tristan Gommendy, arguably the fastest driver in its line-up

Still rolling around in fourth place, the #8 Toyota is plugging on and heading for the finish. Fourth is still going to give them good points, which together with the maximum haul of the Silverstone and Spa wins, should ensure they keep the WEC championship lead

Lotterer pits the #2 Audi for a splash of fuel

A power steering problem has been diagnosed on the #97 Aston Martin, but it is still running

Lotterer is pushing on again, setting the fastest first sector time of the race so far

The #51 AF Corse Ferrari pits from its clear lead in the GTE Pro class, with Toni Vilander taking over

Elsewhere in LMP2, the #38 JOTA Zytek is third, the #36 Signatech Alpine is fourth and the #24 Sebastien Loebb Oreca rounds out the top five

Mark Schulzhitskiy has resumed running in the #35 OAK Ligier, but he is now a lap down on the lead following the problem that saw it spend two laps in the pits. Pierre Thiriet holds down the lead in the #45 TDS Ligier.

The #97 Aston Martin is still going, despite being reported as losing fluid. It is comfortably the quickest car in its class at the moment in the hands of Darren Turner, but is six laps of the GT lead

Bernhard pits from second place in the #20 Porsche

Lotterer un-laps himself and is now just a lap behind the leaders. Perhaps the #20 Porsche is in range after all...

Track conditions seem to be coming to the drivers as they are all lapping quicker now, but that 3m 22.881secs time on lap 299 is something special given the time it beats was set on lap four - 19 hours ago!

New fastest lap of the race for Andre Lotterer in the #2 Audi

Gene brings the #1 Audi into the pit lane and hands over to Kristensen... excellent work by Gene, he's been quick and consistent, belying his late entry to the line-up

This race won't be changed on speed alone now - it'll take a problem for someone to change this order

Amidst the LMP2 hubbub, Nick Heidfeld has moved the #12 Rebellion back up to sixth position overall

The #35 OAK Ligier is back on course and will no doubt head off in pursuit of Thiriet in the new LMP2-leading Ligier. Seems this battle will go to the wire!

As we head into the 20th hour, we have a change of lead in LMP2 - #46 TDS Ligier is the new leader!

Doesn't look like the #35 OAK Ligier is going anywhere soon... the TDS Ligier is primed to take the lead of LMP2