PICTURES

Tensions are rising in Zaria after clashes between the army and Shia Muslims in December 2015.

Locals parade through the streets of Madrid to celebrate Ash Wednesday and the beginning of Lent.

Roland Miller's photographs show deserted American space facilities that played a crucial role in space exploration.

What do the letters NHS stand for? Judging from placards at the junior doctors' strike, it's either 'No to Hunt's Stupidity', 'New Health Secretary' or 'Not Hunt's Slaves'.

Young Pokot men spear a bull and drain its blood, and then get smeared with the contents of its stomach.

The final day of carnival, held before Ash Wednesday, is celebrated with parades, dancing and colourful costumes.

Ashbourne is home to the Royal Shrovetide Football Match, played annually on Shrove Tuesday and Ash Wednesday.

The group have received martial arts training at local clubs in Gaza for two years, specialising in speed, flexibility and fire blowing

Head-on collision between two commuter trains causes carriages to derail near town of Bad Aibling.

Large machinery like excavators are waiting to be used, as the rescue operation enters a crucial phase.

Turkey is coming under growing pressure from the US to have stricter border controls, in order to stem the onward flow of refugees.

Power cuts, disrupted rail and road travel and sea swells hit Britain as another fierce storm batters the country.

Although rain stopped play, photographers managed to capture photos of the floats, many of which referred to Germany's handling of the refugee crisis.

Six of the top samba troupes in Rio de Janeiro staged spectacular carnival parades at the huge Sambadrome.

Millions of people celebrate the Chinese New Year with fireworks, dancing and well-wishing for 2016.

Economic slowdown in the country forces migrant workers to protest in demand of their earnings.

The big screen reboot of the sitcom has reignited interest in Britain's Home Guard during the Second World War.

Heavily fortified secret nuclear bunker dating back to latter stages of Cold War is up for sale to the public.

To celebrate the 50th Super Bowl, we look back at the highlights of the NFL championships in 50 photographs.

Cologne has done its utmost to make sure that the Weiberfastnacht festival continues as normal, without any security worries

Trans-Pacific Partnership is causing major controversy as people fear it will affect labourers and those in less-developed countries

Chinese lanterns illuminate the gardens of Chiswick House to welcome the Lunar New Year.

Adolescent girls who have fled the conflict in Syria pose as their future selves -  having achieved their goals.

Many women in Latin America have to pit their religious beliefs against the risk their babies could be born with brain defects.

Spring festival preparations under way for those planning to call in Lunar New Year, from Beijing to Croatia

Police have cleared a makeshift camp along disused railway tracks on the edge of Paris that was home to hundreds of Roma people.

From flirting with Jeremy to threatening to punch Gemma, here is the best of CBB star, Stephanie Davis

Five judges will decide whether Section 377 of the Indian Penal Code, which describes homosexuality as an 'unnatural offence', can be overturned.

Satellite images of eight wetlands – areas of land that are permanently or seasonally saturated with water.