News of the Day From Around the World

1 South Sudan turmoil: A faction of South Sudan’s armed opposition said Saturday it had replaced its leader — who is also the country’s first vice president — in a move that could lead to further turmoil after deadly clashes in the capital this month.

Riek Machar, who led a rebellion against President Salva Kiir in December 2013 but signed a peace deal last year, is being replaced as Kiir’s deputy with Taban Deng, who acted as the rebels’ chief negotiator during peace talks, said Machar’s chief of staff.

British officials said Saturday that the delays were caused by increased French border checks at the Port of Dover and the Channel Tunnels.

Iraq’s state-run Meteorological Department said Saturday that it had registered the hottest day so far this year, with maximum temperatures hitting 129 degrees Fahrenheit in the southern city of Basra.

India’s defense minister was overseeing an aerial search of the Bay of Bengal on Saturday for an air force transport plane that disappeared with 29 people aboard.

Defense Minister Manohar Parrikar was overseeing the search operation for the plane, which was making a routine courier flight when it disappeared.

About 100 refugees and asylum seekers braved blistering heat Saturday to continue a march toward Serbia’s border with Hungary that is meant to draw attention to the plight of thousands of people facing closed borders after fleeing war and poverty.