Ukraine war: Russia halts grain deal after 'massive' Black Sea Fleet attack- PublishedRussia has announced it is suspending its involvement in the internationally-brokered deal that allows Ukraine to export grain from its Black Sea ports.Without providing evidence, Russia also accused British troops of being involved in Saturday's attack - and in blowing up gas pipelines last month.Hours later, a statement by the foreign ministry in Moscow said: "The Russian side cannot guarantee the safety of civilian dry cargo ships participating in the 'Black Sea Initiative', and suspends its implementation from today for an indefinite period."In recent days, Kyiv has accused Moscow of deliberately delaying the passage of ships, creating a queue of more than 170 vessels.In recent days, Russia has been engaged in what US and Ukrainian officials describe as a disinformation campaign, with unsubstantiated claims that Kyiv is preparing to use a radioactive dirty bomb, or even biological mosquitoes."