A few minutes before 10 a.m., a soldier guarding Canada's National War Memorial in Ottawa was shot by an unidentified gunman, who then stormed into the Canadian Parliament building and shot a security guard. The attacker has reported to have been shot and killed, but this has not yet been confirmed.
Read more at The Star, Fox News and AOL News.
UPDATE: From Breaking 911, Ottawa police are now reporting a third shooting site near the Rideau Centre, a mall close to Parliament Hill, and a second shooter still at large.
UPDATE 2: From CBC News, the gunman who shot the soldier and then entered the Parliament building is now reported to have been killed. The article includes a small map of the Parliament Hill area.
UPDATE 3: The CBC News link, which no longer includes the map, now indicates that the soldier, Cpl. Nathan Cirillo, has died.
UPDATE 4: From the Mail Online, the dead attacker has been identified as Michael Zehaf-Bibeau, a recent convert to Islam, whose passport was revoked when he was designated a "high-risk traveler". (via Bare Naked Islam)