U.S. President Donald Trump told his top diplomat that the dispute over probes into links between his inner circle and Russia should not undermine U.S. efforts to rebuild relations with Moscow, Secretary of State Rex Tillerson said on Tuesday.

The death toll from a truck-bomb explosion in Kabul last week has reached more than 150 people, President Ashraf Ghani said on Tuesday, making it the deadliest attack in the Afghan capital since the ouster of the Taliban in 2001.

Australian Prime Minister Malcolm Turnbull said on Tuesday police were treating a deadly siege in the southern city of Melbourne as an "act of terrorism" after a claim by the Islamic State group that one of its fighters was the gunman responsible.

The U.S. Department of Justice on Monday charged a federal contractor with sending classified material to a news organisation that sources identified to Reuters as The Intercept, marking one of the first concrete efforts by the Trump administration to crack down on leaks to the media.

Escalating tensions in the Middle East and the coming testimony of the former FBI director, British elections and a European Central Bank meeting all took their toll on oil, the dollar and Asian stocks on Tuesday.

Apple Inc on Monday introduced the HomePod, a voice-controlled speaker that can make music suggestions and adjust home temperatures, taking aim at Amazon.com Inc's Alexa feature and Echo devices.