Update at 9:30 a.m.

All lanes have been reopened except the right lane. Traffic delays are about three miles.

Original post at 9:10 a.m.

Multiple vehicles were involved in a collision Tuesday morning on Interstate 95 in Fairfax County.

The crash occurred near the VA-286 interchange, which is the Fairfax County Parkway, causing all southbound lanes to be blocked on the interstate. Delays extend to the Beltway.

It is not immediately known if anyone was hurt.