The authorities in Hong Kong say fire alarms weren't working properly in the tower blocks where a blaze killed more than 100 people. The buildings were being renovated, and police say they've found materials that are believed not to be fireproof. Also: rescue services tackling heavy floods in South East Asia say they're struggling to cope as roads and communication infrastructure have been severely damaged; how 70 species of sharks and rays are to receive better international protection; and a stand-off between three nuns and their convent in Austria may have reached a resolution.

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