Armed conflicts and attacks
A propaganda video featuring Islamic State of Iraq and the Levant leader Abu Bakr al-Baghdadi is released, in which he references the 2019 Sri Lanka Easter bombings, indicating that he is still alive and that the video was shot very recently. It is the first time he's been seen on video since July 2014, when he addressed a crowd at the now destroyed Great Mosque of al-Nuri in Mosul. (Al Jazeera)
Syrian Civil War
Hayat Tahrir al-Sham (HTS) militants assault several Syrian Army positions in the northern Aleppo Governorate, killing 17 soldiers and wounding 30 others. HTS say the attacks were in response to recent Syrian government and Russian airstrikes on rebel-held areas. (Al Jazeera)
Terrorism in the United States
A US Army veteran was planning to bomb a white nationalist rally in retribution for the shooting in New Zealand. He was also planning attacks on Jews. (BBC News) (CNN)
Arts and culture
Avengers: Endgame breaks numerous box office records, including the biggest opening weekend in cinematic history, grossing over $1 billion worldwide. (The Guardian)