Hamam Alhamami spent most of his time outside Oman, particularly in Syria, where he was allegedly influenced by extremist ideas. FlyDubai attacker was previously banned from flying by Oman - WSJ Key points and original sources are listed below.

• Hamam Alhamami spent most of his time outside Oman, particularly in Syria, where he was allegedly influenced by extremist ideas. He then travelled to the UAE.S1

• FlyDubai attacker was previously banned from flying by Oman - WSJS2