Alfonso Cuarón wins Oscar for Best Director for 'Roma'

Alfonso Cuarón has won the Oscar for Best Director at the 91st Academy Awards for 'Roma'. This is the second time Cuarón has taken the award, after winning in 2014 for his space drama 'Gravity'. Cuarón also acted as Cinematographer and Writer on Roma, and the film is based on memories of his own childhood in 1970s Mexico City.