Amid tight security, another batch of over 5,000 pilgrims on Thursday left the Bhagwati Nagar base camp here to offer prayers at the 3,880-metre-high holy cave shrine of Amarnath in south Kashmir Himalayas, officials said.

The 15th batch comprising 5,449 pilgrims left in a convoy of 201 vehicles for the twin base camps of Nunwan-Pahalgam and Baltal in the early hours, they said.