House Republican leader Kevin McCarthy placed blame squarely on Iran Tuesday for escalating tensions in the Middle East.

Iranian President Hassan Rouhani said an Iranian military investigation concluded "missiles fired due to human error caused the horrific crash."

U.S., Canadian and British officials said Thursday it is "highly likely'' that Iran shot down the Boeing 737 that crashed near Tehran late Tuesday.

The sales were made under a law designating Iran a state sponsor of terrorism.

U.S. President Donald Trump has long criticized the 2015 deal but Prime Minister Justin Trudeau has praised it.