World News

The ayatollah announced five days of mourning for the president and foreign minister who died when their helicopter plunged into a mountainous region. Some Iranians celebrated the deaths.

The government has for the first time ordered nationwide rolling blackouts for Monday night to conserve energy.

Also, an international prosecutor’s request for arrest warrants for leaders of Israel and Hamas.

A genetic analysis of the German cockroach explained its rise in southern Asia millenniums ago, and how it eventually turned up in your kitchen.

The WikiLeaks founder won his bid to appeal his extradition to the United States on espionage charges, opening a new chapter in a prolonged legal battle.

The hard-line Shiite cleric was seen as a possible successor to Iran’s supreme leader. Mr. Raisi’s death comes at a moment of turbulence for a country facing a deepening conflict with Israel.

Mojtaba Khamenei, 55, plays an influential role in the office of the supreme leader, Ayatollah Ali Khamenei, and has fostered ties within the security apparatus.

The death in a helicopter crash of Iran’s president, Ebrahim Raisi, disrupts a careful effort at a smooth transition to a new supreme leader to replace the aging Ali Khamenei.

A nearly six-year inquiry found that the deaths of about 3,000 people and the infection of more than 30,000 others could have mostly been avoided.