In Brussels, a police operation is underway searching for suspects linked to Tuesday's attacks - with media reports saying at least two explosions have been heard. Earlier, seven people were arrested in connection to the deadly bombings. Police say two were filmed on security cameras at the airport and metro station. Meanwhile, a Europe-wide blame game is unfolding over how the Brussels suicide bombers avoided capture - after it was revealed they were known to the authorities.<br /><br />FOLLOW LIVE UPDATES: http://on.rt.com/783y<br /><br /><br />RT LIVE http://rt.com/on-air<br /><br />Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday<br /><br />Like us on Facebook http://www.facebook.com/RTnews<br />Follow us on Twitter http://twitter.com/RT_com<br />Follow us on Instagram http://instagram.com/rt<br />Follow us on Google+ http://plus.google.com/+RT<br />Listen to us on Soundcloud: https://soundcloud.com/rttv<br /><br />RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.
