A massive fire broke out at the Visakhapatnam fishing harbour on the intervening night of Sunday and Monday, police said.

Nearly 40 fiber-mechanized boats were reduced to ashes, said police, adding that no casualties or injuries were reported in the incident.Firefighters were alerted by locals, who promptly arrived at the scene to extinguish the fire.

The fire, which started with one boat, quickly spread to others in the vicinity, said the official.

Local fishermen suspect foul play, alleging that unknown individuals may have intentionally set the boats on fire.