France confirms Mali intervention
President Francois Hollande says French troops are taking part in operations against Islamists in northern Mali.
French troops "have brought support this afternoon to Malian units to fight against terrorist elements", he said.
Armed groups, some linked to al-Qaeda, took control of northern Mali in April.
Mr Hollande said the intervention complied with international law, and had been agreed with Malian President Dioncounda Traore. A state of emergency has been declared across the country.
The militants said on Thursday that they had advanced further into government-controlled territory, taking the strategic central town of Konna.
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