Rescue crews had to extricate the driver of one of two tour buses that collided head-on Friday morning in southwest Washington.
The buses collided at about 11 a.m. on Ohio Drive near West Basin Drive. An initial investigation showed that one bus was parked along the curb and the other bus crashed into it.
No passengers were on the buses, but both drivers were pinned in their vehicles, according to emergency officials.
Rescue crews were able to get one driver out, but another had to be extricated.
The drivers' injuries were described as serious and potentially life-threatening.
Ohio Drive was closed in both directions.