Two motorcycle-borne men allegedly opened fire at a gym linked to popular Punjabi singer Guru Randhawa in outer Delhi's Paschim Vihar area early Thursday, police said.The Lawrence Bishnoi gang's Anil Pandit group has claimed responsibility for the firing through a social media post and an audio message, it said.The firing targeted the '24 HS Fitness' gym at Pushkar Enclave in Paschim Vihar, according to a statement from DCP (Outer) Vikram Singh. The gym is owned by two Rajouri Garden residents while Guru Randhawa is associated as a brand ambassador, officials said.At least seven rounds were fired, police said, adding that no one was injured in the incident. A bullet struck the gym's glass gate, while cartridge cases were recovered from the spot.Soon after the incident, a social media post surfaced from an account purportedly linked to the Anil Pandit group of the Lawrence Bishnoi gang.The group claimed responsibility, alleging "Guru Randhawa had continued associating with Bollywood actor Salman Khan despite warnings from the gang".The post also carried a threat against the singer and other alleged adversaries of the gang, warning that they would be targeted.