OXFORD, Mass. (AP) — State police want to talk with two drivers witnesses say were at the scene before a fatal crash caused by a wheelbarrow left on Interstate 395.

State police said Sunday they are looking for the driver of a red pickup truck with red wooden sides that witnesses said was carrying the wheelbarrow on top of a load of garden mulch. Witnesses said the wheelbarrow fell off Saturday.

Police say 32-year-old Steven Richards of Webster was driving southbound around 1 p.m. when he lost control and was fatally injured trying to avoid hitting the wheelbarrow.

Police said they also want to talk with a man driving a green Ford Explorer. Witnesses said he stopped and spoke to other people at the scene just before the crash near Exit 5 in Oxford.