ADEN (Reuters) – Yemen’s warring sides agreed to renew a two-month truce expiring on Tuesday, the United Nations envoy said, despite international pressure for an extended and expanded deal that would build on the longest stretch of relative calm in over seven years. “This truce extension includes a commitment from the parties to intensify negotiations to reach an expanded truce agreement as soon as possible,” special envoy for Yemen Hans Grundberg said in a statement. Grundberg had been pushing for a six-month truce with additional measures, sources had told Reuters, but both sides have had g…