(Al Jazeera English Headlines: 0635 PST, March 1, 2011) With Libyan leader Muammar Gaddafi under mounting pressure, there are fears over his next move.

People in the opposition-held city of Nalut report pro-Gaddafi paramilitary forces on the outskirts of the city armed with anti-aircraft guns. In Az Zawiyah, another opposition stronghold, there are reports that food supplies into the city are being blocked.

There are also growing tensions and chaotic scenes at the Tunisia-Libya border, where thousands of people are trying to flee the fighting.

And Yemen's president Ali Abdullah Saleh has blamed Israel and the U.S. for the unrest taking place in his country and across the Arab world. More protests against his regime are taking place today.