All hell broke loose at the AIADMK headquarters at Royapettah this morning as O Panneerselvam along with his supporters entered the premises this morning.

They broke open the locks and entered the party office. They set to fire posters and banners of Edappadi K Palaniswami. Meanwhile, supporters of EPS threw stones and attacked the vehicles in which Panneerselvam and his supporters came.

Cops lathicharged the gang involved in violence. Chaotic scenes were witnessed at the headquarters. Barricades have been erected and police personnel are maintaining strict vigil.  Also traffic came to standstill at the area.