News of the day from around the globe, April 19

1 Congo attack: The Islamic State claimed responsibility for an attack against a small unit of soldiers in the Democratic Republic of Congo, planting a flag in a region already troubled by violence and an outbreak of the Ebola virus. Eight soldiers were killed in the attack, which took place Tuesday in North Kivu province, according to Congolese officials. They initially said that the assailants appeared to have belonged to the Allied Democratic Forces, a rebel group with origins in neighboring Uganda that is accused of killing hundreds of people over the past three years. But late Thursday, Islamic State propagandists claimed responsibility and described Congo as the “Central Africa Province of the Caliphate,” according to the SITE Intelligence Group, which monitors Islamic State announcements.

2 Climate protests: Climate protesters are once again trying to shut down parts of London to urge residents to do more to protect the Earth from rising temperatures. Oscar-winning actress Emma Thompson joined a rally by the Extinction Rebellion protesters in central London on Friday. She told the demonstrators in Oxford Circus “it makes me so happy to be able to join you all and to add my voice to the young people here who have inspired a whole new movement.” The protesters managed to keep Waterloo Bridge over the River Thames closed to vehicles. London police say more than 570 climate protesters have been arrested since the protests began four days ago.

3 Journalist killed: Police in Northern Ireland searched for multiple suspects Friday after the fatal shooting of a journalist during rioting in Londonderry and sought help from the public to get “a killer off the streets” and into custody. Police said 29-year-old journalist Lyra McKee was shot and killed,...