Weir targets third win in 800m medal; BRITISH ROUND-UP.
The 33-year-old, already the 5,000m and 1500m champion, moved into the lead with 350m to go and then hit the turbo charge to roar away from the field.
The Londoner had plenty of time to ease down before he crossed in the line in one minute 37.09 seconds, more than a second clear of Swiss rival Marcel Hug.
Elsewhere, Bethany Woodward set a new European record of 29.50secs to reach the final of the 200m T37. She finished second in her heat, one place ahead of team-mate Jenny McLoughlin who also went through, but Katrina Hart went out.
Long jump silver medallist Stefanie Reid, who lost her lower right leg in a boating accident at the age of 15, qualified for the final of the T44 200m, along with Sophie Kamlish.
In the pool, Liz Johnson set a new Paralympic record of 1:41.09 in the SB6 100m breaststroke only for ParalympicsGB team-mate Charlotte Henshaw to lower it by 1.45secs in the next heat.
Britain's archers - Kenny Allen, Paul Bottomley and Paul Browne - won their team recurve open quarter-final 195-179 against Chinese Taipei, but in the women's team event quarter-finals Britain went down 188-153 to South Korea.
Scott McCowan and Jacob Thomas reached the last 16 of the BC3 mixed individual boccia.
BRIT TO WATCH: Jonnie Peacock. The 19-year-old amputee sprinter and T44 100m world record holder today bids for victory ahead of defending champion Oscar Pistorius and world champion Jerome Singleton.
Meanwhile, North Wales' own Bev Jones competes in the F37 discus today following her seventh place in the shot putt on Tuesday.