Ryuichi Kiyonari has moved back into British Superbike Championship contention at Mallory Park after completing his second race win of the season.

Despite starting from pole position, it wasn't a lights-to-flag victory for the Japanese rider as tardy getaway forced him into meticulously stalking his way back up the order.

The race was initially led by Michael Laverty, the Ulsterman getting the jump from second place to lead Michael Rutter, Kiyonari and Chris Walker.

However, the red flag would come out at the end of lap two following an accident for Martin Jessopp, the Ducati rider clipping Dan Linfoot and seemingly getting his leg caught up in his Motorpoint Yamaha. Taken to the medical centre, Jessopp is suspected to have a leg fracture.

At the restart - with a grid determined by the order at the end of lap two -, Laverty swept ahead again, but this time ahead of Josh Brookes, Rutter and Kiyonari.

While Kiyonari dispatched with Rutter early on, his rise to the front took somewhat longer, with Brookes instead taking the initiative by overtaking Laverty for the lead on lap eight. Kiyonari followed through two laps later with a smart pass at Edwina's.

Swiftly setting about pressuring his HM Plant Honda team-mate for the win, Kiyonari would find his way past on lap twelve to move into a lead he wouldn't lose to the chequered flag.

Matching his win last time out at Oulton Park, the result lifts Kiyonari into a provisional top six position, crucial for the end of season 'title showdown'.

Brookes made it an HM Plant Honda 1-2 to close the gap down to series leader Tommy Hill, the Suzuki rider suffering a costly retirement with technical issues.

A fourth consecutive podium finish keeps Laverty a strong third in the overall standings, while Michael Rutter is also destined for the showdown after a solid run to fourth.

Stuart Easton completed the top five after a charging ride from 13th on the grid, the Swan Honda man heading off the challenge from Walker and Simon Andrews, the MSS Colchester Kawasaki rider doing a good job on his return to BSB racing.

Having scuppered his hopes of a podium result by crashing in qualifying, John Laverty worked his way up to eighth position on the Buildbase Kawasaki, ahead of Andrew Pitt, who finished his debut BSB race in ninth.

Elsewhere, James Ellison fought through the pain barrier to score points in 12th, while Steve Brogan got the better of Hudson Kennaugh in the battle for Evo honours, the pair now split by one point in the standings.

Joining Hill on the retirements' list, Yukio Kagayama compounded a bad start to the day for Worx Crescent Suzuki with a nasty high-side, while Karl Harris failed to complete a lap on the East Coast Yamaha.