Watch: Reigning champion Jason Smyth wins 100m heat comfortably

Jason Smyth has his won his 100m T13 Heat in a time of 10.76, booking a place in tomorrow’s final.

The fastest Paralympian on the planet is into the Men's 100m - T13 final! What a run from @smyth_jason. #Paralympics https://t.co/InLPCeYQuW

— eir Sport (@eirSport) September 8, 2016

Result: Jason Smyth has finished 1st in heat one of the T13 100m a in time of 10.76 pic.twitter.com/ZafoEGTkBs

— Paralympics Ireland (@ParalympicsIRE) September 8, 2016

The Derry athlete looked comfortable as he aims to secure a third consecutive Paralympic 100m gold at the Rio Games.

The final takes place at 3.09pm tomorrow afternoon.

@ParalympicsIRE So glad I stayed up for this! Fantastic run from @smyth_jason #greenlightning 🍀⚡️🇮🇪

— Lise-Ann O'Neill (@LiseannONeill) September 8, 2016

Great stuff from Jason Smyth off to a flier in Paralympics #IRL #Rio2016 pic.twitter.com/xcYNCXrddM

— Cóilín Duffy (@coilinduffy) September 8, 2016

Earlier today James Scully qualified for the final of the Swimming S5 200m FS by finishing third in his heat, with a season's best time. At midnight Irish time, he finished sixth in the final in a time of 2.51.45. The event was won by Brazilian Daniel Dias in a time of 2.27.88.

2:51.45 great time for James Scully

— Enda Smyth PLY (@enda_smyth) September 8, 2016

Great race by @jamespscully in #Paralympics 200m freestyle final to take 6th.. Jaysus Daniel Dias is some animal #class

— Fergal Lynch (@truefergallynch) September 8, 2016

Also in the pool, Ailbhe Kelly finished seventh in the Swimming S8 400m FS Heats, although the 17-year-old should be seen to better effect in Sunday’s 100m backstroke.

In athletics, Greta Streimikyte has qualified for the final of the T13 1500m event on Saturday.

The Swords runner finished third in her heat with an Irish record time of 4.51.75.

.@streimikyte finished 3rd in T13 1500m heat in a time of 4.51.75 & is through to Saturday's final #TeamIreland pic.twitter.com/95qlfG8y65

— Paralympics Ireland (@ParalympicsIRE) September 8, 2016

In cycling, Damien Vereker and Sean Hahessy were eighth in the Individual B Pursuit Qualifying Heats, while in the Shooting R1 10m Rifle Standing Qualifiers, Sean Baldwin finished 19th.

The Irish 7-a-side football team endured a tough start to their group games, losing 6-0 to to favourites Ukraine.