Week in pictures: 31 August - 6 September 2013

6 September 2013 Last updated at 16:11

A selection of the best news photographs from around the world this week.
Sun reflects off the Walkie Talkie building in central London
Pedestrians shield their eyes as they look at the Sun reflecting off the "Walkie Talkie" building in central London. Earlier in the week the building was blamed for reflecting light that melted parts of a car parked on a nearby street.
A Somali policeman runs from an accidental explosion at a petrol storage in Mogadishu
A Somali policeman runs from an accidental explosion at a petrol storage area in former US residential housing in the capital, Mogadishu.
Russia's President Vladimir Putin gestures as he walks by US President Barack Obama during a photocall at the G20 summit in St Petersburg
Russia's President Vladimir Putin gestures as he walks by US President Barack Obama during a photocall at the G20 summit in St Petersburg.
A Free Syrian Army fighter fires his weapon
A Free Syrian Army fighter fires his weapon in Deir al-Zor.
Egyptian security officers guard the scene of a bomb attack
Egyptian security officers guard the scene of a bomb attack that targeted the Interior Minister Mohammed Ibrahim in Cairo. Hours later, he appeared on state TV unharmed to denounce the attack as a "cowardly assassination bid".
A women gives flowers and a cake to security personnel outside Nelson Mandela's home in Johannesburg
A woman delivers flowers and a cake to security personnel outside Nelson Mandela's home in Johannesburg a few days after he returned home from hospital. He is continuing to receive intensive care at home.
Gareth Bale of Wales heads the ball during his presentation as a new Real Madrid player at the Santiago Bernabeu stadium in Madrid
Real Madrid broke the world transfer record to sign Tottenham forward Gareth Bale. The Welsh footballer has agreed a £300,000 per week, six-year deal after sealing an £85.3m (100m-euros) transfer that eclipses the £80m Real paid Manchester United for Cristiano Ronaldo in 2009.
Actress Dakota Fanning poses for photographers at the the Venice Film Festival
Actress Dakota Fanning poses for photographers at the Venice Film Festival.
A cyclist rides past a giant election billboard
A cyclist rides past a giant election billboard in Berlin featuring German Chancellor Angela Merkel's hands.
A man competes in the Tough Viking race in Stockholm
A man competes during the 10,000 Volt obstacle during the Tough Viking race in Stockholm. The 12km (7.5-mile) course is designed by specialists in the Swedish Armed Forces.
Early autumn reflections in Buttermere
Colourful reflections in Buttermere in the Lake District in Cumbria, as parts of the UK enjoyed another warm late summer day.
Flip-flops decorated with tennis balls
A fan wears flip-flops decorated with tennis balls while watching a doubles match during the US Open tennis tournament in New York.