DARIEN - Crews are out this morning cleaning up the mess left by last night's thunderstorm.

Firefighters blocked off parts of the road near 300 Mansfield Ave. in Darien last night after wires fell, creating dangerous driving conditions.

In Norwalk, firefighters were also busy after a tree took wires down at 440 Newtown Ave., blocking both lanes of traffic.

Police also had to block off Crawford Road after another tree came down.