Qatar hinted that it wanted freedom from an oil cartel dominated by Saudi Arabia, one of its regional rivals.
The tiny, energy-rich nation is mixing its aspirations to increase production outside of OPEC's constraints with the politics of slighting Saudi Arabia.
Relations between the two airlines have soured further after a letter Qantas is said to have sent to staff attacking Qatar Air's expansion on routes to Australia.
- by Benjamin Katz
FIFA has been urged to conduct an independent investigation into claims the Qatar 2022 World Cup bid team attempted to sabotage rival bids from Australia and the US.
The ultra-rich Gulf state has agreed to buy one of New York's most iconic buildings, adding a development that was once owned by Donald Trump to its portfolio.
- by Dmitry Zhdannikov
A top Trump fundraiser ingratiated himself with crown princes from Saudi Arabia and the United Arab Emirates, who were seeking to alter US foreign policy.
- by Desmond Butler
The new United States secretary of state has told Saudi Arabia to end its costly spat with its neighbour Qatar and help end Yemen's worsening civil war.
- by Gardiner Harris