AQSIQ will make further investigations in response to Chinese consumers' complaints.

国家质检总局将作出进一步调查以回应中国消费者的投诉。

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"We're working to stabilise the collapse itself to make it safe, so we can carry out some further investigations and hopefully then the lake can be replenished, " he said.

BBC: Stoke-on-Trent mine collapse drains lake