OXFORD, Mass. — State police say a wheelbarrow left on a south central Massachusetts highway has led to a fatal car crash.WFXT-TV reports (http://bit.ly/1cBwNq5) police say a man was traveling on Interstate 395 southbound around 1 p.m. Saturday when he apparently came across the wheelbarrow and lost control trying to avoid it.The car overturned and the man was fatally injured when he was thrown from the vehicle.Police are investigating how the wheelbarrow came to be in the road, near Exit 5 at Oxford.