The UK has blocked entry to two left-wing American commentators, a decision that has reignited the debate on freedom of expression.

Britain has barred entry to Cenk Uygur, a left-wing Turkish-American media personality, and his nephew Hasan Piker, an American commentator and influencer, who were scheduled to speak at several events in London and Oxford. The information was confirmed on Monday by both men and by British authorities.

The two men claim that this decision is linked to their critical stances towards Israel. Cenk Uygur, co-host of the YouTube channel "The Young Turks," stated that he was denied entry while attempting to board a flight to the United Kingdom, believing he was being punished for his political views.

Hasan Piker, for his part, claimed that his visa had been revoked and denounced a decision he said was made "at the request of Israel." He was scheduled to speak at the SXSW festival in London, as part of a session devoted to how the American left expresses itself online.

The British Home Office justified this measure by stating that the travel authorizations of these individuals had been revoked because their presence in the United Kingdom might "not be conducive to the public good." The official statement, however, makes no mention of Israel or the political views of those concerned.

The two commentators' planned appearances were also scheduled to take place at Oxford University and as part of the SXSW London festival, an event dedicated to the technology, business and creative industries.

This decision comes amid ongoing debates about freedom of expression in the UK, particularly in the United States. The President Donald Trump Vice President JD Vance and others have recently expressed concerns about what they perceive as increasing restrictions on free speech in the country.

In May, the British government had already banned entry to eleven foreign far-right activists invited to an event organized by Tommy Robinson. Authorities regularly cite public order concerns to justify these types of immigration decisions.