The attackers struck at midday, opening fire on a restaurant before getting into a car and blowing themselves up at a nearby security checkpoint, officials said.
Dutch police on Thursday detained a man suspected of threatening an attack on a rock concert in Rotterdam, following a tip-off from Spain.
Egypt's President Abdel Fattah al-Sisi ordered military troops be deployed across the country on Sunday, his office said in a statement, after 43 people were killed in bomb attacks on two churches.
Thai police on Monday said at least 20 people were involved in carrying out a wave of deadly bombings in the country's south earlier this month.
Thailand's junta on Thursday detained at least 15 suspects at military barracks on suspicion of launching a string of deadly bomb and arson attacks against tourist resort towns last week.
A Thai military court issued an arrest warrant on Tuesday for a second suspect in connection with a wave of deadly bomb attacks last week that killed four people and injured dozens, police said.
A series of bombing and arson attacks in southern Thailand that killed four people and wounded dozens was orchestrated by a single person, Thai police said, while a man has been arrested in relation to one of the attacks.
A string of bomb attacks hit popular tourist towns across Thailand, leaving four dead and many wounded, with authorities on Friday ruling out terrorism despite suspicions insurgents in the kingdom's deep south are responsible.
Brussels airport will partially reopen for passenger flights on Friday evening after its closure following the March 22 bomb attacks, the company running the airport said.
One person was wounded and detained in a major police operation in the northern Brussels borough of Schaerbeek on Friday, Belgian public broadcaster RTBF quoted the local mayor as saying.