Boston Police report arresting three people and seizing three guns after five people were shot at a large, impromptu fireworks display around 2 a.m. at Edgewater Drive and River Street in Mattapan. Read more.

The state Ethics Commission reported yesterday that City Councilor Ricardo Arroyo (Hyde Park, Mattapan, Roslindale) has paid a $3,000 fine for not withdrawing as a lawyer, after his election, from the lawsuit his brother, former City Councilor and mayoral aide Felix Arroyo, filed against the city over his firing. Read more.

The Bay State Banner lists the City Council races that could have contested races this fall, including the four at-large seats and Districts 3 (Dorchester), 5 (Hyde Park, Mattapan and Roslindale), 6 (West Roxbury, Jamaica Plain, part of Mission Hill) and 7 (Roxbury).

Transit Police report that when a Route 28 driver stopped to pick up three teens outside the BPL branch on Blue Hill Avenue around 1 a.m. on Monday, they whipped out pellet guns and began shooting the driver.

Despite their close range, the three did not injure the driver, police say, adding they then ran away.

Boston Police report officers arrested a Mattapan man on gun charges after initially pulling him over for running a red light at Cummins Highway and Harvard Street in Mattapan shortly before 5:30 p.m. today. Read more.

Victim identified as Gavyn Henry, 37, of Mattapan.

Two men were shot, possibly both in the chest, on Wildwood Street, near Morton Street in Mattapan, around 8:30 p.m. Read more.

The FBI has joined the Boston Police search for a man they say has held up four convenience stores at gunpoint in Hyde Park and Mattapan in recent months. Read more.

A 12year-old boy at home on Cummins Highway across from Seminole Street was shot in the lower leg around 8:20 p.m. Sunday. Read more.

NBC Boston reports what sketchy details have come out involving an incident on an afternoon bus from the Taylor School on Morton Street in Mattapan this week, its 70-something driver and a parent.