BRATTLEBORO, VT. >> Vermont state police are investigating a series of suspicious brush fires along Interstate 91.

Police say five small brush fires were started Monday evening on the northbound side of the highway between the Vermont-Massachusetts state line and mile marker 12.8. An individual was seen walking near the fire around mile marker 6.25, but police have no further description of the suspect.

All the fires were extinguished by members of the Guilford and Brattleboro fire departments.

Anyone with information about the fires is urged to contact state police.