The Ambassador Bridge, a busy
international border crossing linking Windsor, Ontario, with
Detroit, was closed for five hours on Monday following a bomb
But investigators using bomb-sniffing dogs found nothing
suspicious and the span reopened to traffic early Tuesday
morning, authorities on both sides of the border said.
"No bomb or device was detected on the bridge," Detroit
emergency management agency said in a statement. It called the
Police on the Canadian side began removing barriers and
allowing vehicles back onto the 7,500-foot (2,286-meter) bridge
shortly after 1 a.m. EDT (0500 GMT), a dispatcher with the
Windsor Police Department
The shutdown of the busy crossing came less than a week
after the Detroit Windsor Tunnel
, a nearby cross-border route,
was closed by a bomb hoax.