#PrayForOrlando: Twitter offers support, shares frustration after Orlando nightclub shooting

A deadly shooting FBI spokesman Danny Banks is calling an "act of terrorism" began in the early morning Sunday when a gunman opened fire in a Orlando, Florida, gay nightclub.

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About 20 people have died and over 40 people are injured.

Although Orlando police have downed the gunman, a community is mourning. Twitter users shared condolences, concerns and support with the hashtag #PrayforOrlando.