A Timeline of the Shootings in Lewiston, Maine

Around 7 p.m. A shooting at a bowling alley in Lewiston, Maine, on Wednesday evening led to “multiple casualties,” according to the authorities. That was followed by reports of a shooting at Schemengees Bar &the Grille, a 12-minute drive away.

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.

8:30 p.m. Officials in Auburn, the neighboring city, 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 the hospitals.

Around 9:15 p.m. The Lewiston police released photos of the 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 members of 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.: Maine’s State Police said it was expanding its shelter-in-place advisory for Lewiston, the state’s second-largest city after Portland, to include the nearby town of Bowdoin. Classes at Bates College in Lewiston, at Lewiston Public Schools and in neighboring school districts were canceled on Thursday.