Senior diplomats from the five permanent UN Security Council members plus Germany are meeting in Moscow for talks on Iran’s disputed nuclear programme. As the delegates arrived, Russia repeated its opposition to sanctions which Western powers are expected to call for.Moscow say that neither the use of sanctions or the use of force would solve the problem. But the United States and Britain say that if Iran does not comply with the Security Council’s April 28 deadline to stop uranium enrichment, they will seek a resolution that would make the demand compulsory. The threat of military action escalated yesterday after Washington said that all options remain on the table to halt Iran’s nuclear programme. It followed a declaration by Iran’s President that the country’s army would powerfully defend its borders. Tehran denies seeking atomic weapons and says it is enriching uranium solely to generate electricity for civilian purposes.