HONG KONG, Aug 21 (Reuters) - A major bank warned on Wednesday that weeks of protests in Hong Kong could hit the economies of the Chinese-ruled city and mainland China itself as demonstrators headed for a sit-in at the subway site of a mid-summer mob attack.

STOCKHOLM (Reuters) - Iranian Foreign Minister Mohammad Javad Zarif said on Wednesday Tehran may act "unpredictably" in response to the United States' "unpredictable" policies under U.S. President Donald Trump.

BEIJING, Aug 21 (Reuters) - A Chinese national working at Britain's Hong Kong consulate has been detained in China's border city of Shenzhen for violating the law, the Chinese foreign ministry said on Wednesday, likely worsening already strained ties between Beijing and London.

LONDON, Aug 21 (Reuters) - European stocks opened higher on Wednesday as hopes for more monetary and fiscal stimulus helped assuage worries about global recession, political turmoil in Italy and endless trade wars.

LONDON (Reuters) - European stocks opened higher on Wednesday as hopes for more monetary and fiscal stimulus helped assuage worries about global recession, political turmoil in Italy and endless trade wars.

JERUSALEM, Aug 21 (Reuters) - Israeli officials on Wednesday offered a muted response to remarks by U.S. President Donald Trump who said American Jews who vote for the democratic Party were 'disloyal.'

ATHENS, Aug 21 (Reuters) - Greece will not provide assistance in delivering oil to Syria to an Iranian tanker now sailing eastward through the Mediterranean, Deputy Foreign Minister Miltiadis Varvitsiotis said on Wednesday.

KABUL (Reuters) - The death toll from a suicide bomb attack on a wedding reception in Afghanistan's capital, Kabul, has risen to 80, two senior officials said on Wednesday.

TOKYO/SEOUL (Reuters) - Japan and South Korea agreed on Wednesday on the need for dialogue to resolve a feud over compensating Korean wartime workers that has spilled over into trade, and put a deep chill on ties between Washington's two Asian allies.