G20

Free trade agreement could be worth £1.8bn a year for UK.

US-led covert operation coordinated with Canada's CSEC spy agency.

Former Spanish prime minister to publish his memoirs, including details about the eurozone crisis.

Confusion swirls over where Switzerland's cash pile is going to amid a crackdown on banking secrecy

Kremlin reportedly attempted to spy on world leaders and advisers with 'Trojan horse' welcome pack.

Paul Tucker makes last appearance at Treasury Select Committee.

The International Monetary Fund says cutting budgets too quickly is dangerous for an economic recovery

Russia also working on scheme to avoid US-led military strike against Bashar al-Assad regime

Spread of banned weapons is 'an evil we must stand up to', foreign secretary warns.

Japanese beat Istanbul in final round of voting, after reassuring IOC Fukushima leak is under control.

Turkey sends up F-16s after Russian-made Sukhoi Su-24 detected on radar.

President returns to US with little to show from G20 meeting in St Petersburg.

Rounding up the headlines of the week with the pictures that tell the stories.

PM claims Britain 'invented most things worth inventing' and was key to beating slavery and fascism, while Tory colleague calls Putin 'a tosser'.

US president Barack Obama will address America on Syria Tuesday

Russian president says he met US president Obama but they 'stick with their guns'.

Conservative elder statesman warns of dangerous international consequences of move against Ghouta reprisal.

Former prime minister warns that failure to intervene could lead to region becoming haven for extremism.

US and France push for action against Assad regime while Russia insists on credible evidence on chemical weapons use.

Commons vote against military action in reprisal for Ghouta gas attack undermines prime minister at St Petersburg summit.

Deal will see Russian company divert supply away from EU in favour of its eastern ally.

Full text of letter sent by Pope Francis to Russian President ahead of G20 Summit.

Pope Francis makes 'heartfelt appeal' for peace in Syria in letter to Russian president.

Beijing calls on those behind Ghouta chemical attacks to own up but brands unilateral US action illegal.

Corporate tax evasion and US move to scale back stimulus due to dominate St Petersburg summit but Syria overshadows all.

Global aid charity asks G20 leaders to use Russia summit to tackle corporate tax avoidance in Africa.

US military chief Martin Dempsey says Russia could come to Assad's aid if attacked.

President Obama meets with LGBT activists before the Russian G20 Summit to discuss new law that inhibits minors from discussing homosexuality

David Cameron is hoping to use this week's G20 summit in Russia to agree new diplomatic and humanitarian initiatives in Syria.

OECD expects growth in major advanced economies to build further in second half, but warns of major risks.