Popular Twitch streamer and political commentator Hasan Piker, who has more than 2 million followers on the live-streaming platform, said he was detained and questioned by federal authorities at Chicago's O'Hare International Airport for more than two hours.

Mr Piker, who is known for his pro-Gaza stance and criticism of Donald Trump, says he was quizzed on his views about the Middle East and the president and accused the US government attempting to sile...