Tongan Police are likely to lay more charges against a man already in custody after he has been charged with 27 charges of incest and sexual touching against his own two daughters.

Police said they immediately arrested the 42-year-old man from Folaha after receiving a complaint on Monday, Radio Tonga news report says.

Police said the daughters are 17 and 18 years old and their mother is still alive.

Police have released no further details about the inicident.

The offence is punishable by a maximum penalty of 10 years imprisonment.

The accused will appear in court next Monday.