SHORTLY BEFORE 7 p.m.
A shooting erupts at Just-In-Time Recreation, a bowling alley in Lewiston, Maine, causing “multiple casualties,” according to the authorities. That was followed by reports of a shooting at Schemengees Bar & Grille, a 12-minute drive away.
The first 911 call is received about the shooting, with someone reporting gunfire at the bowling alley.
Several 911 calls were made reporting a gunman inside the bar.
Around 8 p.m.
The authorities released photos of an armed suspect and urged people to stay inside with their doors locked. Hundreds of officers were working across Maine to find the gunman, said Mike Sauschuck, who oversees public safety for the state.
Officials in Auburn, directly across the river from Lewiston, urged residents to shelter in place, lock all doors and report suspicious people.
Just before 9 p.m.
The Lewiston police identified Schemengees Bar & Grille as a second shooting location. They asked drivers to stay off the roads to allow emergency responders access to hospitals.
Around 9:15 p.m.
The Lewiston police released photos of a vehicle they were searching for, a small white car whose front bumper may be painted black.
Around 11 p.m.
The police department in Lewiston named Robert R. Card of Bowdoin, Maine, as a person of interest in the shootings, saying that he “should be considered armed and dangerous.” They urged the public not to approach Mr. Card or make contact with him if they saw him.
Around 11:30 p.m.
Mr. Sauschuck said that a vehicle of interest had been found in Lisbon, about eight miles from Lewiston. The person of interest remained at large.
After 6 a.m.
The Maine State Police said the force was expanding its shelter-in-place advisory for Lewiston, the state’s second-largest city after Portland, to include Bowdoin, about 15 miles away. Classes at Bates College in Lewiston, at Lewiston Public Schools and in neighboring school districts were canceled for Thursday.
Just before 11 a.m.
Col. William G. Ross of the Maine State Police said at a news conference that 18 people were killed in the shootings: Seven died at the bowling alley, eight died at the bar, and three who had been wounded died at local hospitals. He said the gunman remained at large.