World News Update, what you need to know

Russia says talks are taking place to include Aleppo in a temporary lull in fighting declared by the Syrian army in some western parts of the country, a sign of intensified efforts to halt a surge of violence in its former commercial capital.

ELSEWHERE:

WASHINGTON, May 1 Reuters - Front-runner Donald Trump says he will have essentially sealed the Republican US presidential nomination if he wins Tuesday's contest in Indiana, where he now holds a big lead over chief rival Ted Cruz. (US VOTE)

BRUSSELS, May 1 DPA - The departure hall at Brussels international airport has partially reopened nearly six weeks after it was damaged during terrorist attacks on the Belgian capital. (BELGIUM ATTACKS)

NAIROBI, May 1 Reuters - The death toll from a collapsed six-storey building in Nairobi has risen to 16 from 12, the Kenya Red Cross says, and officials refuse to be drawn on how many more people might be still under the rubble. (KENYA BUILDING)

VATICAN CITY, May 1 Reuters - Pope Francis has called for "severe punishment" for pedophiles after new details emerged in Italy of the 2014 death of a six-year-old girl who is alleged to have been thrown from an eighth-storey balcony by her abuser. (POPE GIRL)

BAGHDAD, May 1 Reuters - The death toll from a two car bombs claimed by Islamic State in the southern Iraqi city of Samawa has risen to 32 and is expected to keep rising. (IRAQ BLASTS Update)

LONDON, May 1 PA - New photographs of Princess Charlotte, taken by her mother the Duchess of Cambridge at their home in Norfolk, have been released to mark her first birthday on Monday. (ROYALS CHARLOTTE Update)