Austrian online bomb threat

Authorities in Quebec, Canada have arrested an alleged terrorist linked to an Austrian online bomb threat, the Blotter on ABCNews.com has learned.

Authorities say the Canadian arrest was carried out in conjunction with the arrests of three other suspects in Austria yesterday.

The Royal Canadian Mounted Police (RCMP) made the arrest Wednesday at the suspect's home in Trois Rivieres, Quebec, in a joint operation with Austrian authorities, law enforcement officials said Thursday.