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DEVELOPING: Reports of multiple gas explosions and fires in Lawrence, Mass. nbcnews.to/2N9Y61o - @NBC10Boston

@NBC10Boston North Andover, Mass. police: "Multiple house fires at homes with Gas service. If you have gas service to your house or business please exit the building until further notice."

@NBC10Boston JUST IN: Mass. State Police says it is responding 17 separate addresses in Lawrence, Andover, and North Andover for fire or explosion following series of gas leaks in the area.

@NBC10Boston Spokesperson for Columbia Gas says that they are advising people who smell gas in the Lawrence, Mass., area to evacuate, get to a safe location, and call 911 to report

@NBC10Boston Mass. State Police: "Troopers and local police helping evacuate residents. MSP fire investigators, detectives, crime scene personnel also at various scenes."

@NBC10Boston Mass. State Police tweet map of confirmed fires and explosions in Lawrence/North Andover area.

@NBC10Boston "Numerous evacuations of neighborhoods where there are gas odors are underway," Mass. State Police says.

@NBC10Boston Mass. Emergency Mgmt. Agency: "Staff are en route to support Lawrence, Andover, and North Andover with multiple fires and possible gas line over-pressurization."

@NBC10Boston BREAKING: After many explosions and fires, Mass. State Police say people in Lawrence, North Andover and Andover "who have gas service from Columbia Gas should evacuate their homes immediately" as the company works to depressurize lines.

@NBC10Boston Merrimack College orders students, faculty and staff to evacuate buildings on campus "immediately" out of an abundance of caution due to gas explosions in the Lawrence, North Andover and Andover area.

@NBC10Boston Mass. State Police says it has identified 39 locations in its ongoing response to fires and explosions in the Lawrence area, a number expected to grow.

@NBC10Boston LATEST: Gas-related explosions and fires reported in at least 39 locations in 3 communities in the Merrimack Valley region of Massachusetts. bit.ly/2x6gy0E

@NBC10Boston More than three dozen homes went up in flames when fires and explosions erupted in northern Massachusetts in what were believed to be gas-related incidents, authorities said. nbcnews.to/2CScQwP

@NBC10Boston Boston Fire Dept. has responded to the natural gas fires and explosions in Lawrence-area of Massachusetts to assist in the firefighting effort - @Tom_Winter nbcnews.to/2CScQwP

@NBC10Boston @Tom_Winter Lawrence mayor asks all residents of South Lawrence to evacuate their homes, Mass. State Police says nbcnews.to/2CScQwP

@NBC10Boston @Tom_Winter LIVE: Authorities give update on multiple explosions in Massachusetts nbcnews.to/2CScQwP pscp.tv/w/1mrGmnrnvgqJy

@NBC10Boston @Tom_Winter Authorities said that fires and explosions that broke out in 70 locations in northern Massachusetts may have been caused by gas pressure. nbcnews.to/2CScQwP

WATCH: Authorities says 8,000 customers affected by multiple explosions in Massachusetts nbcnews.to/2CScQwP

Reporter: "Are there going to be any more explosions or fires tonight?"

Massachusetts Gov. Baker: "We do not believe so" nbcnews.to/2CScQwP

Teen killed in explosions and fires in Massachusetts bit.ly/2x6gy0E - @NBC10Boston