Former National Security Agency contractor Edward Snowden, who is reportedly booked on a flight from Moscow to Cuba, could travel from Havana to the Venezuelan capital, Caracas, according to news agency Itar-Tass.
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People could suffer vision loss or infection from the lenses, which are often sold illegally online, in shops and on market stalls.
Between 2011 and 2014 reports of self-harm among British girls aged between 13 and 16 rose by 68%, according to new research.
Justin Trudeau has paid a tearful tribute to Gord Downie, the lead singer of Tragically Hip, who died aged 53 from brain cancer.