Sunday, Dec. 9
1:22 p.m. - Firefighters investigated a crash at the onramp at Exit 32 of 495 Northbound.
Tuesday, Dec. 11
5:10 p.m. - Westford firefighers aided with a fire in Carlisle.
7:59 p.m. - There was an investigation at the East Boston Camps.
Friday, Dec. 14
2:50 p.m. - Littleton firefighters requested help for a fire on Great Road.
Saturday, Dec. 15
1:32 p.m. - Pearson Way was the scene of a reported carbon monoxide event, followed seven hours later by another carbon monoxide call on Leland Road.