BBC World Service - Newsday

Trump-Kim Summit: What went wrong?

The US and North Korean leaders failed to reach a deal in Vietnam

During a press conference Mr Trump said he wasn’t afraid to walk away from a deal

However the two leaders had 'very good and constructive meetings', a statement read

Speaking to journalists, Mr Trump said the speed of negotiations was unimportant

Runner-up Atiku Abubakar says he will challenge Muhammadu Buhari’s victory in court

The president’s former lawyer has testified before Congress

Michael Cohen says the president instructed him to lie about a Russian property deal

A spokesman said one plane fell inside Pakistani territory and a pilot was arrested

The official tally says he won by four million votes

The party of main opposition candidate Atiku Abubakar has questioned the result