Paris Brown has said that she regrets some of the things she tweeted, but that the messages were taken out of context.
Asked about a message which expressly said she was sexist and a racist, the 17-year-old said: "It was meant messing around. Of course I'm not homophobic, I'm not sexist, I'm not racist. None of that is true."
She added: "I was naive, I was idiotic and I do regret it."
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Cloud and outbreaks of rain will ease away eastwards during the morning, clearing the east coast around midday with sunny spells developing.
Police and emergency services are attending the scene.
Rebel-held east remains at risk while the pumping station supplying the western part of the city is once again in operation.