Hello, welcome you're watching BBC world news, our main headlines this hour.

大家好 欢迎收看BBC世界新闻最新头条

UK security services say that Russian hackers are trying to steal research into a vaccine for COVID-19.

英国安全部门称 俄罗斯黑客试图窃取新冠肺炎疫苗的研究成果

It says that a group known as Cozy Bear which operates as part of Russian intelligence services is responsible.

英国认为俄罗斯情报机构“舒适熊”组织应该对此负责

The British government also says it's almost certain that Russia tried to interfere in last year's general election.

英国政府还表示 几乎可以肯定 俄罗斯曾试图干预去年的大选

The foreign secretary Dominic Raab said that Russian actors attempted to promote illicitly acquired information online.

外交部长多米尼克·拉布表示 俄罗斯演员试图在网上传播非法获取的信息

Russia denies both allegations.

俄罗斯否认了这两项指控

A controversial new dam which is under construction in Ethiopia has provoked fresh criticism from Sudan and Egypt.

埃塞俄比亚正在建设一座有争议的新水坝 这引发了苏丹和埃及的新一轮批评

They're worried that the grand renaissance dam will reduce their access to water further downstream on the Blue Nile.

他们担心复兴的大坝会减少他们对青尼罗河下游的取水量

And scientists from NASA and the European Space Agency have released the closest pictures ever taken of the sun.

来自美国国家航空航天局和欧洲航天局的科学家发布了迄今为止拍摄到的最接近太阳的照片