US President Donald Trump's warning to the Syrian government not to carry out a chemical weapons attack appears to have worked, Pentagon chief Jim Mattis said Wednesday. "It appears that they took the warning seriously," Mattis said, referring to the regime of Syrian President Bashar Assad....

President Donald Trump's former campaign chairman, Paul Manafort, registered Tuesday with the Justice Department as a foreign agent for political consulting work he did for a Ukrainian political party, acknowledging that he coached party members on how to interact with U.S. government officials....

Turkey's military returned fire against members of the Kurdish YPG militia near Syria's Afrin region overnight, broadcaster Haberturk reported early on Wednesday, citing military sources. It was not clear whether there were any casualties. Turkish officials could not immediately be reached...

A new and highly virulent outbreak of malicious data-scrambling software appears to be causing mass disruption across Europe, hitting Ukraine especially hard. Company and government officials reported serious intrusions at the Ukrainian power grid, banks and government offices, where one...