KATHMANDU: Three persons were injured when two motorcycles collided with each other at Teku in the capital on Wednesday, said the traffic police. The injured have been identified as Bhanu Lamichhane, 16, Prashant Sapkota, 18, and Pawan Lama, 20. Of them, condition of Lamichhane, a pillion rider, is said to be critical. He is receiving treatment at Kathmandu Hospital, Tripureshwor. Lama, a motorcycle rider who has suffered a minor injury in the accident has been sent to custody for investigation.