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.
Residents in Brussels Use #Opendoor to Offer Assistance After Attacks
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
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Screenshot via Facebook
Screenshot via Facebook

Safety Check was first used in April 2015 after the devastating earthquake in Nepal and was also activated during the Paris attacks.

At least 31 people were killed and dozens were left wounded after the attacks in Brussels. The capital is on lockdown and on high alert. 

Meanwhile, ISIS has claimed responsibility for the attacks.

The Associated Press contributed to this report.