A man drowned in an Oakland County pond this weekend after jumping into the water to retrieve a hat that blew off while he was mowing the lawn, deputies said.

HIGHLAND TOWNSHIP, Mich. A dump truck driver was killed at a Highland Township construction site when an excavator struck a pile of wooden road mats, causing one to fall on top of him, officials said. The incident happened at 2:33 p.m. Thursday in the area of Woodruff Lake and Center roads, Highland Township firefighters said. A 49-year-old Howell man was standing outside the truck between a large pile of wooden construction road mats and the front drivers side of his truck at a pipeline construction site, according to authorities. When an excavator at the site spun to load the truck, it struck a pile of the wooden mats, causing one to fall on the man and pin him between the mat and the dump truck, officials said. Construction workers removed the man and officials took him to Huron Valley Hospital, where he was pronounced dead, according to officials.