An 18-year-old motorcyclist travelling with two of his friends was critically injured when the two-wheeler collided with a motorcycle from the opposite direction early on Friday.

The accident, at the crossing of Circular Garden Reach Road and Brooklyn Road, happened around 1.50am, when no one is supposed to be outdoors except those in medical emergencies or involved in essential services.

As ordered by the state government, night curfew kicks in at 11pm and continues till 5am as a precaution against Covid.

Police said none of the men on the bike was involved in any essential services.

“Both motorcycles were moving at a high speed. The 18-year-old who was seriously injured was travelling with two pillion riders. The other bike had one pillion rider,” said an officer of the traffic department.

The critically injured teenager has been identified as Mohammad Danish, a resident of Nadial. The two friends with him were Sohail Siddique, 22, and Mohammad Manajir, 19, both residents of Watgunge.

The riders of the other bike were Mohammad Parwez, 21, from Garden Reach, and Sheikh Kausar,18, from Metiabruz.

Danish, who suffered multiple injuries, has been admitted in the intensive care unit of SSKM Hospital, the police said. The remaining four were discharged after treatment.