International law states, 'it is up to a people to choose their leadership,' not a foreign power, according to professor Matthias Goldmann. He also said the U.S. and Israel operation in Iran was 'an illegal attack.' »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews Subscribe to CBC News on Snapchat: https://bit.ly/3leaWsr Subscribe to CBC