Taken from BBC Northern Ireland:

Robert Dunlop is seriously ill after suffering severe chest injuries in a crash in Thursday's practice session at the North West 200.

Another Northern Ireland rider Darren Burns suffered a suspected broken leg and concussion in the accident and he is stable in hospital.

The accident happened in 250cc qualifying as the riders approached the Mathers Cross Section of the course.

Dunlop's brother Joey was killed in a racing accident in Estonia in 2000.

The riders were travelling at speeds in the region of 160 miles per hour when Thursday's accident happened.