A teacher and a student were among three persons killed while 50 others injured when a school bus carrying students on a picnic trip plunged into a gorge near Gulmarg tourist resort in Kashmir's Baramulla district on Wednesday.

The bus carrying students of Iqra Educational Institute of Kupwara district was on way to Baba Reshi shrine near Gulmarg when it fell into the gorge at Nambal Nard near Tangmarg, 45 km from Srinagar, police said.

Rescue teams managed to evacuate 53 persons -- students and staff members -- to a hospital. However, two of the injured, 25-year-old teacher Jehangir Dar and 13-year-old student Owais Manzoor Wani, were declared dead in the hospital, they said.

The bus driver, Akhtar Hussain, succumbed to injuries later, while four other seriously injured had been referred to Soura Medical Institute in Srinagar.