Aug 26, Colombo: The Tamil Tigers' tiny air crafts have dropped two improvised bombs on Trincomalee naval base in eastern Sri Lanka Tuesday night, defense officials said.

Sri Lanka Defence Ministry said the LTTE launched an abortive air raid attempt on the naval camp at about 9:15 p.m. local time.

Naval sources confirming the attack near the Trincomalee Navy base and harbour said the attack caused only slight damages. No casualties have been reported.

The Navy has fired back when the air defense system was activated and the aircraft had withdrawn.