We do the rounds with a Leicester milkman who has been disciplined by his dairy for singing and whistling on the job very early in the morning.
They have given him a formal warning for this and do not want him to make music before 8am.
Watch him whistle on his rounds for our reporter Gareth Owen.
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He demanded the money after placing a carrier bag containing what appeared to be a heavy object on the counter.
Closures will be in place on the Aston Expressway, Park Circus and Salford Circus. There will be some full weekend closures and diversions.
West Midlands Police have said specially trained police negotiators are speaking with the woman to try and talk her down to safety.