Commissioner of Police (CP) Mohamed Hameed on May 7 revealed that four people were identified and flagged for "suspicious behaviour" from the crime scene of the explosion that injured former President and Parliament Speaker Mohamed Nasheed along with four others, reports Edition. Noting that the investigation was still ongoing, Police declined to give details of the "suspicious behaviour" displayed by the suspects that got them flagged. "The investigation is still at an early stage. This is a terrorist attack and since last night the Police are working to find those responsible for it," said CP Hameed. Around 2030hrs on May 6, an explosion took place near Nasheed's residence as he was getting in his car. Four more people were injured in this attack.