Upon receiving information about attacks on Soviet ships from NKID, Maisky placed a proposal before the committee of non-intervention on 5 May to appoint a special expert commission to work out practical measures against piracy; DVP, 1937, XX, doc. 136). In September 1937, Britain and France convened a conference in Nyon, Switzerland, which was attended by Great Britain, France, the USSR, Turkey, Bulgaria, Greece, Yugoslavia, Rumania and Egypt. The conference resulted in an agreement signed on 14 September entrusting Britain and France with patrolling the Mediterranean; DVP, 1937, XX, docs. 322, 326 & 328–34; see also the notes on pp. 750–1.