Ludhiana, Nov. 5 -- A bomb threat email warning of explosions at the Ludhiana district court complex and a school turned out to be a hoax on Wednesday, after an extensive search by the police and anti-sabotage team found no explosive material or suspicious object.

The threat prompted security personnel to inspect the court premises thoroughly and scan visitors' bags.

The email, sent from cainbrown6293@gmail.com, warned of an explosion at the district court complex at 2.11 pm and at an unnamed school at 1.11 pm. It also named Punjabi singer and actor Diljit Dosanjh and Congress leader Rahul Gandhi as targets and made references to the 1984 anti-Sikh riots.

The senders claimed to be members of the Khalistan National Army and Babbar Khals...