CNN
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Political tensions between USA and Canada have dominated headlines for weeks.
However, tensions ignited on the ice between the two longtime rival nations at the 4 Nations Face-Off at the Bell Centre in Montreal, Canada on Saturday.
The United States defeated Canada 3-1 in an electric showdown which featured a little bit of everything a hockey fan would want to see.
After Canadian fans booed the US national anthem, the friction came to a boiling point within seconds of puck drop.
American brothers, Matthew and Brady Tkachuk, set the tone by getting into two…
