By Chaturanga Samarawickrama   An ad

ditional 90- day detention order was obtained yesterday against former Minister Rishad Bathiudeen and his brother Riyaj Bathiudeen to conduct further investigations, Police spokesman DIG Ajith Rohana said.   He said earlier a 72-hour detention order was obtained by the CID Director as per the Prevention of Terrorism Act (PTA) which was terminated by this morning.   

Therefore another detention order was obtained to conduct further investigations, he said.   

The Spokesman said the probe will be conducted by the TID and CID to ascertain scientific, oral, documentary and other technological evidence over the offences of aiding and abetting the suicide bombers.   Former Minister Bathiudeen and his brother were arrested last Saturday (24) at his Wellawatte residence under the PTA.