Paris residents were using the hashtag #PorteOuverte — French for "open door" — on Twitter to offer safe haven to strangers stranded after a string of deadly attacks Friday night.

Twitter

The hashtag was trending worldwide on Twitter as Parisians tweeted in French and English to let people know where there was room for them to take shelter.

Twitter users in other countries also began using the hashtag to share their delight that social media was being used for a good cause.

At least six attacks across the city sent Paris into chaos as explosions and shootings were reported at a sold-out rock concert, cafes, and outside a soccer match. The death toll in the attacks could exceed 120, according to Paris Prosecutor Francois Molins.

Tourists and guests in Paris: Parisians are using #PorteOuverte #OpenDoor to help you find somewhere safe tonight Stay off the streets — Sammy (@SammyAlbon) November 13, 2015

I have a home in 18th, I speak english and french #PorteOuverte #PortesOuvertes — Sarah (@lemaldelinfini) November 14, 2015

I have a safe home in Republique. Please reach out directly if you need a safe place to be. I speak english. #porteOuverte — Shanna (@shannalynnSF) November 13, 2015

#PorteOuverte If you need a place to stay tonight in the 18th we can host a few people, clean bedding, tea, and internet if you need it! — Gaybby (@gabshnks) November 13, 2015

Anyone, come to Rue Keller. I can get the door open if you need. Lot of cops here. #PorteOuverte — Simon Wasselin (@SimonWasselin) November 13, 2015

My Friends are safe, in a random woman's home. She's making them dinner, & preparing beds. Blessed. #PorteOuverte — TK Westfield (@TWestfield) November 13, 2015