ASSOCIATED PRESS
Rebel fighters celebrate in the desert outside a military base near Bani Walid, Libya, on Saturday. The U.S. has stepped up surveillance of elements of the rebel forces interested in setting up an Islamist state.

ASSOCIATED PRESS Rebel fighters celebrate in the desert outside a military base near Bani Walid, Libya, on Saturday. The U.S. has stepped up surveillance of elements of the rebel forces interested in setting up an Islamist state.