The US, Britain and France say they are not ruling out the distribution of arms to anti-Gaddafi rebels in Libya, with some reports saying a plan is being seriously considered.
The apparent change in tactic comes after a London conference on Libya.
British Foreign Secretary William Hague said: “Since the conditions of a ceasefire and an end to violence are not fulfilled, then our operations to protect civilians in these locations in Libya will continue. It’s very important that that unified commitment to them continuing is very, very clear in our statements today.”
Qatar took a leading role in the conference and will convene the first meeting of a new so-called Libya “contact group”.
The Qatari Prime Minister and Foreign Minister, Hamad bin Jassim bin Jabr Al-Thani, said: “We in Qatar are participating on the humanitarian side and also with the no-fly zone, by sending some of our planes to join (the coalition). And they are carrying out their mission now (as we speak).”
Some leaders in London have appealed for Gaddafi and his supporters to admit defeat.
Euronews correspondent in London Ali Sheikholeslami said: “A member of the Libyan Interim National Council said we’ve had enough of tyranny over the past 42 years. He said the council will draft a constitution for the post-Gaddafi era. The Qatari Prime Minister concluded the conference by saying that Gaddafi must stop the bloodshed and go. But one question remains: will he?”