A man is in custody following an investigation into a string of armed robberies and aggravated burglaries over the past month.

Members from the Victoria Police Canine Unit arrested the 27-year-old man in Black Street Reservoir just before 10am, following a pursuit.

Investigators will speak to the man in relation to 13 armed robberies and aggravated burglaries allegedly committed across Melbourne over the past 10 days.

The man, believed to be of no fixed address, was taken to The Alfred hospital, where he is currently under police guard while being treated for minor injuries.

Police have also charged three women following a pursuit in Bundoora yesterday, including a 21-year-old Mildura woman who was charged with assault, theft, aggravated burglary and armed robbery.

Meanwhile two 20-year-old Reservoir women were charged with theft and drug related matters.