Police believe a man armed with a crossbow who is under siege in a Manchester street is alone at the house where he has barricaded himself.
Superintendent Simon Retford said: "We do not believe that anyone in the address is there under duress but our priority at the moment is to ensure that we reach a peaceful conclusion to this incident."
More top news
Fast-melting Arctic sea ice has forced some 35,000 Pacific walruses to retreat to the Alaska shoreline.
One of the most notorious Mexican drug lords still at large has been captured by soldiers at a seafood restaurant in a picturesque town.
A dossier of online abuse directed at the parents of Madeleine McCann is being examined by police.