Update, 4:19p.m.: A spokeswoman for the Children's Inn confirmed the residents and staff are unharmed and are back in the building.
Original Post: The was evacuated Tuesday afternoon after a gas leak on the NIH campus, according to Montgomery County Fire and Rescue.
The Inn is a residence for sick children and their families who have traveled to Bethesda to receive treatment at NIH.
Rescuers were dispatched around 3:43p.m., according to Fire and Rescue spokesman Capt. Oscar Garcia, and the gas was shut off to the building less than 10 minutes later.
The occupants of the building were evacuated as a precaution, and no one was injured, Garcia said.
It wasn't immediately clear how the leak happened.