team of journalists who were literally held by gadhafi's loyalists. a bbc correspondent and his cameraman were detained at a checkpoint monday and held for nearly a day. they said they saw some rebel prisoners who were tortured while being held. the journalists were accused of being spies and subjected to a mock execution. >> i just closed my eyes and asked my god to help me. >> i heard a lot of screaming. and i can't describe. it was horrible. the worst thing i've ever seen. in my life. and i've seen a lot of bad stuff. >> they are safe now and have all since left libya. well, president obama and top advisers discuss the crisis in libya at the white house, to go over diplomatic options for the u.s. as martha raddatz reports, there's a limited list of options. >> reporter: president obama sounded clear enough -- >> the violence must stop. moammar gadhafi has lost legitimacy to lead and he must leave. >> reporter: but that looks less