NEW DELHI – 10 armed men in police uniforms broke into the Nabha Central Jail in Punjab on Sunday and helped escape the chief of Khalistan Liberation Force and four other known ‘criminals’, Indian media reported.

Harminder Singh Mintoo, 47, was arrested from Delhi airport in November 2014. He is an accused in multiple terror-related cases.

Among others who broke out of the prison are Vicky Gondar, Gurpreet Sekhon, Neeta Deol and Vikramjit.

The men were wearing police uniforms and fired over 100 rounds, ANI reported

 Police has launched a probe and the state has been put on high alert.