The attack follows a series of drone strikes by Pakistan in Rajasthan and other border areas, leading to heightened security alerts in India’s border regions.

By Mubasher Bukhari and Saurabh Sharma LAHORE/AMRITSAR (Reuters) -A blast was heard in Pakistan's Lahore city on Thursday, broadcaster Geo TV and a Reuters witness said, a day after Indian strikes on multiple targets in the country and fears of a larger military conflict between the nuclear-armed neighbours.