A Boston Police officer is being called a hero after the police department said he saved several people from a house fire in Dorchester.

Officer Luis Lopez was the first on the scene Saturday night at around 8 p.m. on Montello Street. Lopez, a 12-year veteran of the Boston Police Department, said he knew people were still inside the multi-family house so he rushed in to get them out. Lopez said he went through the house, kicking doors and telling people to get out of the building.

"I’m just happy everyone got out alive," said Lopez. "One guy was sound asleep when I kicked in his door. I know I startled him but I’m just glad we got him out."

Nobody was seriously hurt in the fire. Eighteen people were displaced, including four children. 

Officials estimate the damage at over $500,000. 

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