Belgium, Mar 22 – A series of explosions ripped through Brussels airport and a metro train on Tuesday, killing around 35 people and injuring more than 200 in the latest attacks to rock Europe.<br /><br />Security was tightened across the jittery continent and transport links paralysed after the bombings that Belgian Prime Minister Charles Michel branded “blind, violent and cowardly”.<br /><br />Overview<br />"This is a day of tragedy, a black day," Michel said on national television.<br />Foreign Minister Didier Reynders warned that authorities fear suspects could still be at large in the city that is home to both NATO and the European Union.<br />The bloodshed came just four days after the dramatic arrest in Brussels of Salah Abdeslam - the prime suspect in the Paris terror attacks claimed by the Islamic State group - after four months on the run.<br />“This is a day of tragedy, a black day,” Michel said on national television.<br /><br />Foreign Minister Didier Reynders warned that authorities fear suspects could still be at large in the city that is home to both NATO and the European Union.<br /><br />The bloodshed came just four days after the dramatic arrest in Brussels of Salah Abdeslam – the prime suspect in the Paris terror attacks claimed by the Islamic State group – after four months on the run.<br /><br />Belgian authorities had been on alert after Abdeslam, Europe’s most wanted man, told investigators he had been planning an attack on Brussels.<br /><br />Two blasts shattered the main hall of Zaventem Airport at around 8am (0700 GMT), with prosecutor Frederic Van Leeuw saying there was probably at least one suicide bomber.<br /><br />A third hit a train at Maalbeek metro station in the heart of the city’s EU quarter, just as commuters were making their way to work in rush hour.