Moammar Gadhafi's troops launch a powerful assault with tanks and rockets on Misrata, the last major rebel city in western Libya, sending residents fleeing to increasingly crowded safe areas of the city. Rebels in Misrata allege Gadhafi's forces have been using cluster bombs, which pose particular risk to civilians because they scatter small bomblets over a wide area.
Tens of thousands of protesters shouting "We want freedom!" make a bold march on the Syrian capital, but security forces beat them back with tear gas and batons as the country's monthlong uprising swells to the largest and most widespread gatherings to date, witnesses and activists say.
Dozens of chiefs from Yemen's two largest and most powerful tribes call on the president to immediately step down and strip his son of control over security forces, as rival crowds of protesters take to the streets of the capital. The abandonment of President Ali Abdullah Saleh by the two tribes, including one that is linked to his own, is part of a larger crumbling of support for the autocratic leader after weeks of protests against his rule.
Egypt's top prosecutor orders deposed President Hosni Mubarak to be moved from a hospital at a Red Sea resort to a military hospital for questioning about the deaths of protesters and allegations of corruption and abuse of power. Mubarak was hospitalized for unspecified heart problems on Tuesday, the first day of his questioning.
Hundreds of protesting Islamic hard-liners clash with supporters of Jordan's king, wounding dozens, in the latest move by the extremist movement to assert itself amid the country's wave of anti-government demonstrations. A crowd of about 350 extremist Salafi Muslims face off with a slightly smaller group of king loyalists in the town of Zarqa.