Ottawa shootings: 'US side by side with Canada' - Obama

A massive security operation is taking place in the Canadian capital, Ottawa, after shots were fired at two locations, including the parliament.

In the first incident, a soldier guarding a war memorial was shot and killed.

Eyewitnesses said a gunman was chased by police into the nearby parliament building, which remains in lockdown. The gunman was shot dead.

Speaking to reporters, President Obama said Canada could rely on the US for support.