Yet in 138 BC a new general arrived Arriving , Marcus Pompillius Laenas , and when the Numantine envoys came to Motion finish Process_end their obligations of the peace treaty , Pompeius disavowed Agree_or_refuse_to_act negotiating Communication any such peace .

The Abbasid prince sent Sending for a truce and detained Arrest the high-ranking Byzantine envoys , who included Cause_to_be_included Empress Irene 's chief minister , Staurakios .