SAN FRANCISCO (KRON) — A collision between two San Francisco Muni light rail trains injured seven people on Wednesday afternoon, according to a tweet from the San Francisco Fire Department.

The incident took place on the Embarcadero near Brannan Street. At 1:42 p.m., SFFD was called to the scene where crews found that two trains had collided. The fire department says that both trains were heading inbound in the same direction, but at this point they are unsure what caused the trains to collide with one another.

The San Francisco Police Department and the San Francisco Municipal Transportation Agency (SFMTA) will both be investigating the incident. As of 3:10 p.m., five people had been taken to a local hospital in five separate ambulances, and each of them is expected to survive with minor injuries.

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As of 3:30 p.m. SFFD had cleared the scene. The SFMTA says that bus shuttles will run between Market and Main Street and the Chase Center for the time being.

This is a developing story. Please stick with KRON for further details.