July 14 (Reuters) - Futures tracking Canada's blue-chip stocks edged lower on Tuesday as investors avoided riskier bets amid escalating U.S.-Iran conflict, while U.S. inflation data is expected later in the day.

September contracts tracking the resources-heavy S&P/TSX Composite index SXFc1 were down 0.3% at 6:34 am ET.

• U.S. military carried out a third consecutive night of strikes against Iran on Monday as President Donald Trump reimposed a blockade of Iranian shipping and proposed a 20% fee to guard the Strait of Hormuz.

• Oil prices rose to their highest in four weeks. Brent crude LCOc1 traded around $87 per barrel, while West Texas Intermediate crude hit CLc1 $80.6 a barrel.O/R

• Spot gold XAU= and gained 0.4% and 0.5%, respectively, as investors eyed U.S. inflation data. It is expected at 08:30 am ET. GOL/

• The Bank of Canada is expected to keep its key policy rate unchanged at 2.25% on Wednesday.

• In company news, material technology company Mattr Corp MATR.TO said late on Monday it expects second-quarter revenue in the range of $390 million to $400 million.

• Separately, Canada's federal banking regulator warned major financial institutions about risks associated with Anthropic's Claude Mythos and other advanced AI models, saying the new technology could shorten time to identify, mitigate and respond to vulnerabilities.

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