U.N. Yemen envoy Martin Griffiths calls for restraint after violence

U.N. Yemen envoy Martin Griffiths expressed alarm on Thursday over an escalation of violence there and urged all parties to exercise restraint.

Earlier in the day, the Iranian-aligned Houthi group used drones to attack a Yemeni government military parade in Lahaj province, killing several people, Saudi and Houthi media reported.

(With inputs from agencies.)