What to know

• The death toll from the Himalayan flash flood has climbed to 469, with more than 1,000 still missing. Meanwhile, authorities in China warn an overflowing lake formed by debris could trigger a second wave of flooding.S1
• Lake has formed at epicentre of flood, forcing rescue teams to withdraw, Chinese state media reportNepal flash flood – latest updatesNearly 1,400 missing, mostly tourists, and hundreds killedVisual guide: how the deadly flooding unfoldedTell us: have you been...S2