A Spanish Supreme Court judge on Tuesday lifted the arrest warrant for Catalan separatist leader Carles Puigdemont, clearing the way for him to return home without fear of detention ahead of a general election in November.

Paramount completed its acquisition of Warner Bros Discover on Tuesday, after a bidding war against Netflix. The deal closed following federal approval of a settlement between Paramount and 12 US states that tried to block the transaction on antitrust grounds. Opponents in the movie industry warned of job cuts, while media groups said Warner-owned CNN's independence could be compromised.

Mass protests over decrepit conditions at France's high schools descended into sporadic violence Tuesday, leading to nearly 500 arrests and prompting President Emmanuel Macron to call an emergency meeting. Members of the public have accused the authorities of using disproportionate force as protesters clashed with the police in several French cities. 

UK ​police on Tuesday said they had ​arrested ‌a ⁠22-year ‌old British man ⁠in London on suspicion ​of preparing terrorist acts ‌in relation ​to the suspected plot at the ​RAF ​Fairford ​airbase used ​by the US to strike Iran.  

Bulgarian authorities on Tuesday launched a search for missing crew members of a boat that sank in its economic zone in the Black Sea after drones hit two merchant vessels. Black Sea shipping has been hit by growing fallout from the war in Ukraine in recent months. 

Ukraine launched overnight one of its largest drone attacks on Moscow in the past two years, killing two men and injuring several people in the Russian capital, local officials said on Tuesday. 

The separatist Parti Québécois won provincial elections on Monday, but fell just short of enough seats to govern alone in Canada's French-speaking province, Quebec. The victory comes just two weeks ahead of a vote in Alberta, Canada's economic powerhouse, on whether it wants to begin the process of leaving the country. 

President Donald Trump on Monday signed an executive order to ease limits on tax-free red-dyed diesel as fuel prices put pressure on Republican candidates. Trump said the move would save farmers millions of dollars and lower the cost of goods, though analysts said the change would not benefit farmers already using tax-exempt fuel.

Around 250,000 people joined student protests across France on Tuesday, according to the French interior ministry. Organisers of the mass demonstrations put the figure of 450,000. Clashes erupted in some cities between the police and demonstrators demanding more education funding and resources on the biggest day yet of student protests. Follow our liveblog to see how the day's events unfolded.

President Donald Trump approved a firing squad execution on Monday for Nidal Hasan, the US Army psychiatrist convicted of killing 13 people at Fort Hood in 2009. Hasan's execution will be the first carried out by the US military since 1961, with the date and location yet to be set by the Army.