A teenager was killed and four other people were injured in a shooting at a north Philadelphia bus stop on Monday afternoon, police said.

The city’s police commissioner, Kevin Bethel, said about 15 to 20 students were at a bus stop in the city’s Ogontz neighbourhood around 3:45 p.m. when two people walked up and opened fire. Police said people were getting on the stopped bus when the gunfire erupted.

Police said one 17-year-old was pronounced dead at a hospital with multiple gunshot wounds to the body. Two 15-year-olds had graze wounds and a 49-year-old woman and a 71-year-old woman on the bus were hit, they said.

Authorities said the older women was hit in the head and the younger woman in the arm, adding all four were in stable condition.

Officials said the bus driver sped away for several blocks and the shooters fled.

The police commissioner said afternoons have turned into “one of the most dangerous times” for violence in the city once school is dismissed. But he said “it could have been much worse” because the shots were fired at a busy intersection where people were aboard a bus and at a daycare across the street.

A Philadelphia police officer was shot and killed and a second officer was wounded on October 12 night when they confronted people breaking into cars at Philadelphia International Airport, police said.

A person who was brought to a hospital privately and died there may have been involved in the shooting but investigators haven’t confirmed that, interim Police Commissioner John Stanford said at a late-night news conference.

Mr. Stanford said the officers were heading to work when they saw several people breaking into a vehicle in the parking garage area.

As the officers approached, “the suspects opened fire,” hitting one officer several times in the upper body and the other in the arm, Mr. Stanford said.

One officer died shortly after 11:30 p.m. at a hospital. His name wasn’t released but he was 50 years old and had 22 years with the force, Mr. Stanford said.

The married officer had one child, Mr. Stanford said.

“They are here at the hospital, as you can imagine, heartbroken,” Mr. Stanford said.

The other officer was in stable condition. He is 60 years old and has 20 years with the police department, Mr. Stanford said. Both were assigned to the airport unit.

At about the same time, a private car took someone to the hospital where they died. That person was “very similar to the suspect description” but investigators hadn’t confirmed the person’s involvement, Mr. Stanford said.

Stanford noted that the shooting came only a week after three officers were shot and wounded while responding to a call.

“A numb, numb moment for us, to again encounter something like this,” he said. “We just had three officers shot last week. And then this tonight, so you can imagine what we feel. We can imagine what this department is going through. And quite frankly, how the city should be feeling.”