Chandigarh, July 17 -- A special investigation team (SIT) probing the 2015 police firing and sacrilege cases in Punjab has summoned Shiromani Akali Dal (SAD) president and former deputy chief minister Sukhbir Singh Badal for questioning on Monday, according to two officials privy to the development in the politically-sensitive long-pending probe.

Sukhbir, on his part, said he will cooperate with the SIT while alleging that the case was being used for political purposes rather than justice.

At the centre of the case is the police action in Behbal Kalan village in Faridkot district on October 14, 2015, in which two Sikh youth who were part of a large crowd protesting against the desecration of Guru Granth Sahib were killed when the police...