15:00 ET: The Arab League says it supports the creation of a no-fly zone in Libya, according to Reuters. That follows earlier reports that suggested Gulf states were backing the plan.

What these means is currently unclear, but in order for a no-fly zone to work, the U.S., or a group of countries (NATO maybe), would need to attack Libya, according to U.S. Defense Secretary Robert Gates.

EARLIER: Qaddafi's forces have started bombing Ras Lanuf again.

In case you've lost track, that means the oil port is currently controlled by the rebels. Various foreign correspondents are with the rebels in Ras Lanuf, so this we have photos of the air strikes.

The rebels are trying to march toward Tripoli, but they've been attacked in Ras Lanuf and Bin Jawwad. The next town on their path is Surt, according to the NYT.

Here's a guide to Qaddafi's formidable military >