Germany's development aid minister, Gerd Mueller, on Wednesday accused Qatar of financing the extremist group Islamic State (IS) operating in Syria and Iraq.
The apparent beheading by extremists of a US journalist sparked worldwide revulsion on Wednesday and drew pledges by outraged Western governments to aid those battling the militants.
Israeli warplanes pounded Gaza Wednesday as furious mourners buried the wife and child of Hamas's top military commander, baying for revenge as nine days of calm exploded into bloodshed.
Saudi Grand Mufti Sheikh Abdul Aziz al-Sheikh on Tuesday blasted Al-Qaeda and Islamic State extremists as "enemy number one" of Islam, in a statement issued in Riyadh.
Israel ordered its negotiators back from talks in Cairo and warplanes hit Gaza on Tuesday after Palestinian rockets smashed into the south as the two sides were observing a 24-hour truce.
Iraqi forces launched a string of attacks on Sunni militants on Tuesday, including at Saddam Hussein's hometown Tikrit, as US President Barack Obama declared his firmest commitment yet to targeting extremists.
The US aviation regulator Monday ordered airlines based in the United States to stop flying over Syria, citing a "serious potential threat" to civil planes, including armed groups with anti-aircraft weapons.
Heavily armed robbers have attacked the motorcade of a Saudi prince in Paris, making off with 250,000 euros ($335,000) in cash and reportedly stealing "sensitive" documents, French police said Monday.