How Internet monitoring sparked a CSIS investigation into a suspected homegrown terror cell  —  Last night's dramatic police raid and arrest of as many as a dozen men — with more to come — marks the culmination of Canada's largest ever terrorism investigation into an alleged homegrown cell.

Most arrested from GTA  —  "This group posed a real and serious threat," says senior RCMP officer  —  A series of terrorist attacks plotted against unspecified targets in southern Ontario were "inspired by Al Qaeda," a CSIS official said today, adding that the ring of suspects arrested posed a "real and serious" threat.

Terrorism raids sweep Toronto  —  Police across the Greater Toronto Area launched counterterrorism raids yesterday, arresting at least eight people in a roundup expected to continue overnight and beyond.  —  "We anticipate more arrests, but not necessarily tonight," an RCMP source said of the arrests …

Nevermind foreign terrorists, why is Canada growing its own extremists?  —  They are young, militant and Canadian.  And according to senior counterterrorism authorities, they have been plotting large-scale terrorist attacks on Canadian soil.  —  The Canadian Security Intelligence Service acknowledged …

Massive terror attack averted: RCMP  —  A terror attack potentially three times more devastating than the Oklahoma City bombing has been averted, the RCMP alleged Saturday.  —  A counterterrorism sweep Friday resulted in the largest arrest ever made by the nation's anti-terrorism forces and raised …