India, July 28 -- A petrol bomb was allegedly hurled by unidentified persons at the BJP office in Punjab's Sangrur district, an incident which drew sharp reactions from the party, which alleged that the growing audacity of criminals has become the "hallmark" of AAP rule.

Police said no one was hurt in the incident which occurred late Sunday night, adding that efforts are on to trace the culprits.

Upon receiving information, a team of senior police officials reached the BJP office at Uppli Road. Following inspection of the site, it appeared that an ignited petrol-filled bottle was thrown towards the building from the outer wall, an official said. "Petrol was filled in a beer bottle and it was thrown from the outer cordon of the building....