The Latest: Military working out border deployment details

WASHINGTON (AP) — The Latest on the Trump administrations plan to send troops to the U.S.-Mexico border (all times local):
10:42 a.m.
A U.S. official says Defense Secretary Jim Mattis has directed the military to work out details of a troop deployment to the southern border that could number 800 or more.
Mattis, who is traveling in the Middle East, signed paperwork accepting a written request for military assistance from the Department of Homeland Security. He also authorized the Pentagon&