Brussels attacks: Belgian police arrest six suspects

From the BBC

Belgian police have arrested six people in Brussels as a major investigation continues into attacks that claimed 31 lives in the city on Tuesday.

The arrests were made in the Schaerbeek district. There is no word yet on the identities of the suspects or their possible connection to the attacks. 

The arrests in Schaerbeek were made late on Thursday, and followed house-to-house searches in the area.

Residents said they heard explosions during the police raids but the cause was unclear.