Gunman in Canada kills 16

A gunman in Canada has killed at least 16 people - in the country's worst ever mass-shooting

The 51-year-old went on a 12-hour rampage across northern Nova Scotia, dressed in police uniform with his car disguised as one of their vehicles. 

He's now dead. 

Local media say police shot him, but that's not been confirmed.

One of the victims is a police officer and mother-of-two.

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