Frankie Dettori has been suspended from riding for six months after being found guilty of taking a prohibited substance, his legal representative Christopher Stewart-Moore has said.
More top news
A suspected drunk driver ploughed into a crowd during Mardi Gras celebrations in the southern US city.
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.