That could start later this week, the first of two stages to create a

permanent

seal.

This is the World News from the BBC in London.

The authorities in Mexico say they’ve now recovered more than 50 bodies from a

clandestine

cemetery in the northern state of Nuevo Leon. The dead are thought to be victims of drugs gangs who have been fighting for control of

smuggling

routes into the United States. Investigators have been using heavy machinery to dig for the bodies which were buried in pits.

The Russian Prime Minister Vladimir Putin has met the intelligence agents deported from the United States in a spy-swap earlier this month. He told reporters they'd sung Soviet songs and talked about life, and he was in no doubt they'd have

bright

futures in Russia. Mr Putin was speaking on a visit to Ukraine, but did not say where they'd met. The prime minister, who served as a KGB agent himself during the Soviet era, said he told the agents that he admired what they'd done.

More than 100,000 people have been moved from their homes in China as heavy rain continues to soak large

swath

s of the country,

swell

ing rivers and reservoirs.

Engineers at the Three Gorges Dam have been releasing water through its sluice gates as the level behind the dam continues to rise. From Beijing, Christ Hawk reports.

There are concerns again about the Three Gorges Dam on the Yangtze River. On Friday, the water level there was the highest it had ever been. On Saturday morning, it was just 17 metres below the