a joint investigation into the attack on the former spy and his daughter claiming that moscow refused to cooperate with london. and also the headlines russia turkey and iran agree on a joint effort to rebuild syria today but they're also warning to about militant attempts to sabotage the peace process maybe with chemical attack. rather than live from moscow this is on tuesdays at ten caramel continue first and more on the developments today in the script it's a case of now you see it now you don't on twitter it appears as the british foreign office is deleted a tweet saying experts said a british lab porton down and confirmed the nerve agent used in the scruple poisoning cases produced in russia it's a move that's not going on noticed by others online with some saying it may be as a damage limitation exercise. part of our team in the u.k. of course next westminster. the foreign office has deleted