The European Union flag flies at half mast outside EU Commission Headquarters following today's attack on March 22, 2016 in Brussels, Belgium. At least 30 people are thought to have been killed after Brussels airport and a Metro station were targeted by explosions. The attacks come just days after a key suspect in the Paris attacks, Salah Abdeslam, was captured in Brussels. (Carl Court/Getty Images)
The Islamic State group has claimed responsibility for the terrorist attacks in Brussels today. Here & Now's security analyst Jim Walsh discusses the attacks with host Robin Young.
Belgian authorities have released this still image from surveillance video of three suspects in the attacks.
