At least two people are dead after a gas leak Wednesday morning caused an explosion in New York City's East Harlem neighborhood, authorities have confirmed to CNN. Two buildings collapsed — an evangelical church and a piano store — leaving another another 18 injured, with a number of people unaccounted for.

News of the tragedy spread immediately over Twitter, and some of our favorite celebrities were quick to offer their prayers and support.

Check out the the following celeb reactions to the explosion, and be sure to leave your thoughts and well wishes for the victims and their families in the comments below.