The treaty turned out to be a trap, like the one Lucullus had prepared for the "Caucaei". When the unarmed Lusitanians, among them Viriathus, were gathered together by Galba to hand over their weapons and to be split into three groups (two of the points of the treaty that had been negotiated) and allocated to new lands, the trap was sprung. With the promise that they would be given new lands they waited unaware while Galba's army surrounded them with a ditch, to prevent them from escaping. Afterwards, Roman soldiers were sent in and began to massacre all the males of military age. The survivors are said to have been sold into slavery in Gaul.