OTTAWA - Canada's capital faced a third day of heightened security on Friday as police searched for any clues that the man who shot and killed a soldier and charged into the parliament building had help in plotting his attack. | Video
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CAIRO - At least 10 soldiers were killed Egypt's Sinai Peninsula on Friday by a car bomb that targeted two armored vehicles stopped at a checkpoint, security sources said.
ISTANBUL - Packets of an unidentified yellow powder were sent to the Canadian, U.S., Belgian and German consulates in Istanbul on Friday, prompting security alerts following two militant attacks in Canada this week.