Suspected Russian-speaking cybercriminals behind what may be the largest ransomware attack to date have demanded $70 million in Bitcoin in exchange for a decryption tool as companies and security experts continued to assess the extent of damage. Cybersecurity experts believe thousands of victims in at least 17 countries may be …

Heavy fighting raged between forces of Yemen’s internationally recognized government and Houthi rebels in central Bayda province, officials said Monday. Government forces and allied tribesmen, backed by a Saudi-led coalition, reclaimed large swaths of territory in the province, according Information Minister Moammar al-Iryani. Houthi officials said the rebels suffered heavy …

Egypt said Monday that Ethiopia has reported it is starting to fill the reservoir of a controversial dam on the Nile River’s main tributary, a move likely to increase tensions ahead of a U.N. Security Council meeting on the dispute, which also includes Sudan. A statement by Egypt’s Irrigation Ministry …