New Delhi: Bombs were hurled by some unidentified persons at two local Congress libraries at Peralassery and Thannada in Kannur on Sunday.
The local Congress activists alleged that CPI (M) was behind the attacks. The windowpanes were shattered and some furniture was also damaged.
KPCC president V M Sudheeran has condemned the attack.
The miscreants are yet to be identified, police said.