Srinagar (PTI): In the first major strike targeting migrant labourers in Kashmir valley in the past two years, five members of a family, four of them children, were killed and 25 wounded in a grenade attack at a bus stand here Thursday.

A group of non-Kashmiri labourers, on way to their native places, were boarding a Jammu-bound bus at Batamaloo in the heart of the city when some unidentified persons hurled a grenade at around 1200 hrs, official sources said.

Three died instantly and two on way to hospital, they said adding all the five were members of one family hailing from Bihar.

Mohammad Afroze's three sons -- Adil, Qayoom and Ayoub, daughter Khushboo and wife Rubina were killed in the attack, the sources said.

Afroze fell unconscious at the hospital when he came to know about the death of his four children.

The injured, numbering 25, were undergoing treatment at the SMHS hospital here, the sources said.

Two pilgrims, returning home after paying obeisance at the holy cave shrine of Amarnath, were among those wounded.

No militant outfit has claimed responsibility for the grenade attack so far.