The attack was carried out last night after the activists had lodged a police complaint against a man, accusing him of indulging in conversion, Udupi Superintendent of Police Boralingaiah said.
A group of Bajrang Dal activists barged into the man's residence at Moodubelle, also a prayer house, and assaulted the people gathered there, he said, adding, 19 of them had been arrested.
Senior officials, including the IGP (western range) Pratap Reddy visited the place.
The coastal districts of Udupi and Mangalore had in the past seen attacks on churches triggered by suspicion that they were carrying out conversion.
Bangalore: Seven persons were injured when they were allegedly assaulted by Bajrang Dal activists during an attack on a Christian prayer house at Moodubelle in Udupi district, on suspicion that conversion activities were being carried out there, police said on Saturday.
First Published: Saturday, March 09, 2013, 17:46