The Uttar Pradesh Anti-Terrorism Squad (ATS) has arrested two men, including one from Maharashtra, for allegedly conspiring to disrupt communal harmony and promote anti-national activities through online platforms, including WhatsApp and Instagram.

According to a press release issued by the ATS  on Monday, the arrests were made after a sustained digital surveillance operation revealed a WhatsApp group titled "Reviving Islam", which had more than 400 members, mostly Pakistani nationals and three group administrators.

One of the members was found to be using a phone number based in Uttar Pradesh, it said.