Two separate fatal vehicle incidents occurred Friday afternoon, killing multiple pedestrians in Los Angeles and New York City.

In Los Angeles, a Metro bus struck and killed a pedestrian near the Santa Monica Pier Friday afternoon. The collision prompted emergency response from police and firefighters to the scene. The incident shut down one of the city's busiest intersections as authorities investigated.

Separately in New York City, a suspected drunk driver killed two pedestrians and injured others in what authorities described as a chain-reaction crash near Amsterdam Avenue on Manhattan's Upper West Side. The incident occurred Friday and involved multiple victims.

Both incidents remain under investigation by local authorities. No additional details about the victims or circumstances surrounding either crash have been released.

The separate accidents highlight ongoing pedestrian safety concerns in major metropolitan areas across the United States.