Police said that once again, provincial politicians were targets as well as media organizations in a half-dozen Quebec cities. The powder was not dangerous.
Police said 12 new envelopes arrived Thursday, some with notes signed by a group calling itself the Armed Revolutionary Forces of Quebec.
The Quebec provincial police anti-terrorism squad is investigating and police urge anyone with information to contact it.
On Wednesday, nearly two dozen suspicious letters were sent to Quebec media and political targets, including the riding office of Premier Jean Charest.
Provincial police said the name of the organization being cited closely resembled that of a 1960s group with ties to the Front de liberation du Quebec, a defunct terrorist group commonly known as the FLQ.
One of the packages received this week was confirmed to be baking soda — although police said they were still testing the others.
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