Greater Manchester Police have said that an "explosive ordinance disposal team" has been called as a precaution and that enquiries are "ongoing," according to BBC News.
More top news
Researchers believe they have found the wreckage of British explorer James Cook's ship "Endeavour".
Four kittens have been rescued from a fire by emergency services in California, USA.
A mother died after trying to save her three-year-old son when he fell down a cliff during a family hike.