Authorities locked down the Belgian capital on Tuesday after explosions rocked the Brussels airport and metro system, killing at least 13 people and injuring many more. Belgium raised its terror alert to its highest level, diverting arriving planes and trains and ordering people to stay where they were. Airports across Europe tightened security.
The explosions, which the Brussels prosecutor's office called terror attacks, came just days after the main suspect in the November Paris attacks was arrested in Brussels. After his arrest, Salah Abdeslam told authorities he had created a new network and was planning new attacks.
Broken windows seen at the scene of explosions at Zaventem airport near Brussels, Belgium, March 22, 2016. (Source: REUTERS)