An Amnesty report into child labour in cobalt mines in the Democratic Republic of the Congo raises questions for electronic firms.

Asian markets are mixed early on Tuesday ahead of full-year economic numbers from China, which are due later.

China's economy grew by 6.9% in 2015, compared with 7.3% a year earlier, marking its slowest growth in 25 years.

The UK's security service MI5 is named as the country's most gay-friendly employer, following a survey by leading gay rights charity Stonewall.

Consumer goods giant Unilever has reported a sharp fall in profit for 2015, and warned of a tougher 2016.

The benchmark FTSE 100 opens 1.73% higher on Tuesday, a day after closing at its lowest level for more than three years.

French carmaker Renault is recalling 15,000 new vehicles to make changes to their engines after tests showed they had exceeded emission levels.

The UK's inflation rate rises to an 11-month high in December, with a sharp rise in air fares offsetting falling food and clothing prices.