New Delhi: Senior Congressman P Chidambaram slammed the government on Friday for invoking the Public Safety Act against former Jammu and Kashmir chief ministers Mehbooba Mufti and Omar Abdullah and said uncharged detention is the worst abomination in a democracy.

Mufti and Abdullah, besides two political stalwarts from the PDP and its arch-rival National Conference, were booked under the stringent Public Safety Act (PSA) by the administration on Thursday, officials in the union territory said.