Armed police have surrounded a house in Stretford after a man armed with a crossbow threatened police and social workers and barricaded himself inside.
Police negotiators are also at the scene on North Lonsdale Street in Gorse Hill.
The stand-off between police and the unnamed man began yesterday evening and has continued through the night.
More top news
Staying unsettled and cool but a slow improvement from midweek until Friday
Warrington coach Tony Smith has effectively ruled Matty Russell out for the season with a second major ankle injury in four months.
The jury in the trial of three men accused of murdering off-duty policeman Neil Doyle has retired to consider its verdicts.