Libyan leader Muammar Gadhafi should face the same fate as al-Qaida's Osama bin Laden, who was killed in a firefight with U.S. forces in Pakistan, a Libyan rebel spokesman said Monday.

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"We are very happy and we are waiting for the next step. We want the Americans to do the same to Gadhafi," said rebel military spokesman Colonel Ahmed Bani. "We know Osama bin Laden is fighting against us, he is our enemy also," he said, adding that Libyan rebels had evidence al-Qaida sympathizers had been fighting against them.

Gadhafi, battling rebels who control most of eastern Libya, has described the rebels as armed gangs and inspired by al-Qaida. Bin Laden was killed in a firefight with U.S. forces in Pakistan Sunday, ending a nearly 10-year worldwide hunt for the mastermind of the September 11 attacks in the United States.

Other Arab leaders echoed these words of support for the U.S. military operation that killed Osama bin Laden.

The killing of Osama bin Laden eliminates one cause of violence in the world, said the Muslim Brotherhood, according to an Al-Jazeera report. But the Brotherhood has also demanded that the United States withdraw its forces from Iraq and Afghanistan in the wake of the killing of the al-Qaida leader.

The death of bin Laden was ostensibly the main reason for the American military presence in the Middle East, say the Muslim Brotherhood, and since bin Laden is now dead, they have no more cause to maintain U.S. forces in Iraq and Afghanistan.

While Osama bin Laden was responsible for many unjustified attacks, the world should deal with terrorism's "external manifestations," said the Organization of Islamic Conference (OIC) on Monday, calling for counter-terrorism activities to address "the real causes of terrorism."

"The most important of these causes are political injustice and the denial of the right of peoples living under foreign occupation to self determination," said a statement from the Jeddah-based OIC, a representative body of 56 Muslim-majority countries.

"Terrorism is against the teachings of Islam and is considered as one of the most serious crimes for which Islam has set most severe sanctions," said the OIC.

The Palestinian Authority also said that bin Laden's death would remove one cause of violence in the world.

"Getting rid of Bin Laden is good for the cause of peace worldwide, but what counts is to overcome the discourse and the methods -- the violent methods -- that were created and encouraged by Bin Laden and others in the world," PA spokesman Ghassan Khatib said.

A senior Yemeni government source said that Yemen, too, supported the American military operation, and expressed hope that the war would continue until all terror worldwide has been vanquished.