new urgency. 24 hours after two suicide bombings targeted thousands of afghans trying to flee the country and worst attack on u.s. service members in a decade. president biden vowing to retaliate. >> to those who carried out this attack as well as anyone that wishes america harm, know this. we will not forgive. we will not forget. we will hunt you down and make you pay. >> you can see it at the white house, the american flag at half staff to honor 13 u.s. service members killed thursday, and 18 others were injured in the attacks. president biden addressing the families of those lost. >> my heart aches for you. lives lost were given in the service of liberty, the service