Halifax police are investigating another sexual assault involving a cab driver, and suggest it may be linked to other recent attacks.

Police say a woman was picked up by a cab between 8:30 and 9:30 p.m. on July 15 in Halifax.

When the woman asked how much she owed for the ride, the driver said he was having problems with the meter that would take a few minutes to fix.

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While waiting, police say the man tried to kiss the woman, locked her door and touched her in a "sexual manner" over her clothing without her consent.

Police say the man spoke with an accent, and was about five-feet-seven-inches, with short dark hair and pronounced nose.

It's the fifth assault involving a cab driver in recent months, and police are investigating the possibility that it is related to some of the earlier incidents.