Residents in Brussels Use #Opendoor to Offer Assistance After Attacks

Following a series of bombs at the Brussels airport and a subway train, people took on to Twitter to help other.

A Belgian flag reading "We are all Brussels" stands at a makeshift memorial at Place de la Bourse (Beursplein) following attacks in Brussels on March 22, 2016. Kenzo Tribouillard/AFP/Getty Images

Screenshot via Facebook