Three tourists cycling at Haputale on Sunday were assaulted by a gang, Haputale police said.
One of the gang was arrested and produced before court by police.
Police said reportedly 13 other suspects were involved in the assault and investigations are continuing to arrest them. Stolen cycles and mobile phones of the tourists were recovered by police.
The tourists have been admitted to the Haputale Hospital, police said. Two British nationals and one Nepalese national were among the three tourists, police said.