The Maharashtra Anti-Terrorism Squad on Thursday arrested 20 activists of the Popular Front of India (PFI) from the state during a multi-nodal agency operation for allegedly indulging in unlawful activities promoting enmity among communities and waging a war against the country, an official said.

In near simultaneous raids across the length and breadth of the country, a multi-agency operation spearheaded by the National Investigation Agency (NIA) on Thursday led to the arrest of 106 PFI activists in 11 states for allegedly supporting terror activities in the country, officials said.