Samsung Electronics has overtaken Nokia to become the world's largest maker of mobile phones, according to research firm Strategy Analytics.

Nokia took the top spot in 1998 from Motorola, but in the first quarter of 2012 Samsung shipped 93m phones compared to almost 83m by Nokia.

Samsung also reported its highest quarterly profit since 2008.

Net profit was 5.05tn won ($4.5bn; £2.8bn) in the quarter ending 31 March, up 81% from 2.78tn won last year.

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