市场消息：挪威石油服务行业封锁正式生效，海上钻探受到冲击。

Ukraine's state gas company said Russia struck its production facilities in Poltava and Kharkiv regions, causing damage.

Serbia President Aleksandar Vucic told a large rally in central Belgrade on June 27 he will remain in office for several weeks and then resign. He said he will work to secure voter support for the ruling Progressive Party and for party chairman Vucevic in the forthcoming election. Vucic has previously said he plans to step down and that a presidential vote will be held within three to four months.