But Pentagon officials say Kyrgyzstan's move to close a supply route won't impede operations in Afghanistan.
Taliban struck a police station Wednesday. Many police are resigning because of death threats.
Thirty officers were later freed. A Pentagon report is expected to urge a harder line against militants.
US rebuilds ties with Central Asian nation to secure new military supply routes.
Gunmen abducted John Solecki, head of the UN refugee agency in Quetta, on his way to work Monday.