WINDSOR, ON—An employee at Ventra Assembly Co. here is seeking permission to use medical marijuana during work hours.

A Wisconsin assembly plant has begun the year embroiled in a controversy over prayer in the workplace.

TAIYUAN, China—Contract manufacturer Foxconn, a major supplier for Apple, has halted production at its assembly plant here after some 2,000 workers rioted.

CHENGDU, China—A 23-year-old Foxconn worker jumped to his death at the company’s assembly plant here on Wednesday—the latest in a series of suicides at the Apple supplier’s factory that has promted concern among workers’ rights groups worldwide.