Authorities in Kenya seized two tonnes of illegal ivory today, the largest ever haul discovered in the port of Mombassa.
The haul was on its way to Indonesia, into the hands of the growing number of black-market traders operating across Asia.
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The singer had been tweeting in support of migrants when she was bombarded with abusive messages.
Ministers are reportedly considering plans in a bid to lower inward migration.
In a tweet on Saturday, the US president didn't give a reason for his absence but said he wished"everyone well and have a great evening".