Meanwhile , Xiao had spies create rumors in the Tibetan Empire that We Tadra Khonglo was conspiring with Tang -- which the Tibetan emperor Me Agtsom believed .
Me Agtsom summoned We Tadra Khonglo and killed Xiao .
Meanwhile , Xiao had spies create rumors in the Tibetan Empire that We Tadra Khonglo was conspiring with Tang -- which the Tibetan emperor Me Agtsom believed , and Me Agtsom summoned We Tadra Khonglo and killed him .