Delaware State Police are investigating a multiple vehicle collision on Route 1 southbound near Route 299 east of Middletown which occurred at around 4:57 p.m. this afternoon.

Delaware State Police are investigating a multiple vehicle crash on Route 1 southbound near Route 299 east of Middletown which occurred at around 4:57 p.m. this afternoon.

"At this time it is unknown how many people are injured and the extent of their injuries," said Sgt. Richard D. Bratz.

Southbound Route 1 south in the area of the crash is currently closed, he said.

Bratz advised drivers are advised to use caution in the area as troopers are continuing to investigate the collision.