A message had been spreading via social media platforms since Sunday that a state-wide hartal against the Kathua incident would be observed on Monday, urging people to join the protest.
Hundreds of persons were taken into custody in various places of the southern state for blocking public transport buses, forcibly downing shutters of shops and throwing stones at vehicles in the name of hartal.
In Kannur, police resorted to lathicharge to disperse protesters, who also tried to barge into the Town Police station besides trying to disrupt traffic and forcibly closing down shops.
Some police personnel, including a deputy SP, suffered injuries in the incident, police said, adding that over 40 persons were taken into custody in this regard.
The police also removed posters carrying inflammatory messages in Kannur.
A KSRTC bus driver got injured in stone throwing in northern Kasaragod district, the police said. .
Protest marches holding pictures of the hapless rape victim were held in various places, including the Ernakulam district.
The police, however, asserted that no political party or outfit had called for the hartal.
They said that the hoax hartal call went viral as social media users shared the message without checking its veracity.
The minor girl, who belonged to the nomadic Bakerwal Muslim community, had disappeared from her house in Kathua on January 10. A week later, her body was found in the same area, and medical examination pointed towards sexual assault.