A two-car accident near exit 30 on Interstate 93 southbound Tuesday afternoon resulted in a rollover, and at least one person was ejected from a car, according to fire department scanner transmissions. 

The accident happened around 3:30 p.m., and Somerville and Boston Fire Departments responded to the accident according to the transmissions.

Medford Patch, over Twitter, reported the accident happened near exit 30, which is near the border of Somerville and Medford, and the two right lanes  of the highway were closed.

Somerville Patch will update this story when more information becomes available.