A unexploded second world war bomb has been discovered on the seabed of Portsmouth harbor, according to the Guardian.

The German device, which weighs 500kg (1,100lb), was found by a dredging barge at the port in Hampshire, a spokesman for the Royal Navy said.

The bomb will be towed into open waters 2.4km (1.5 miles) east of the Isle of Wight by Royal Navy bomb disposal experts at midnight.

The work on Portsmouth harbour is taking place before the arrival of the Royal Navy’s new 65,000-tonne aircraft carrier HMS Queen Elizabeth in the spring.

Source: MENA