Seven pilgrims were killed and 11 injured when a bus, on way from Tarapith to Kolkata, overturned on NH 2 at Gurap in Hooghy district on Sunday.
The bus, carrying over 30 pilgrims from Vaishali district in Bihar, was on a tour of religious places in the region and had arrived at Tarapith Kali temple on Saturday from Deoghar's Basukinath temple in neighbouring Jharkhand, Burdwan superintendent of police SMH Mirza said.
The 11 injured were being treated at Burdwan Medical College and Hospital where the condition of some was stated to be critical, Mirza said.
The SP said the driver probably lost control and the vehicle overturned twice as local people started rescue operation soon afterwards alerted by the screams.
Other injured passengers of the bus were being treated at Dhaniakhali Rural Hospital.