Secret parameters would be included in any agreement over the future of Iran�s nuclear programme, say diplomats, as Lausanne summit enters eighth day.

Foreign ministers at talks in Lausanne on Iran�s nuclear programme have said they are inching towards a joint statement, which would be accompanied by a set of agreed parameters that would be kept secret, according to European diplomats.

After an all-night negotiating session, the ministers continued to make slow progress towards a consensus, but diplomats said there were still a small number of issues to be resolved before a joint statement could be made.

The negotiations in Lausanne have entered their eighth day and are two days beyond a deadline for arriving at a framework accord, which was supposed to be a preliminary step before a comprehensive and detailed agreement at the end of June.

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