CAIRO, Egypt – Osama bin Laden issued new threats in an audiotape broadcast on Arab television Sunday and accused the United States and Europe of supporting a “Zionist” war on Islam by cutting off funds to the Hamas-led Palestinian government.

He also urged followers to go to Sudan, his former base, to fight a proposed U.N. peacekeeping force.

His words, the first new message by the al-Qaida leader in three months, seemed designed to justify potential attacks on civilians – something al-Qaida has been criticized for even by its Arab supporters.

He also appeared to be trying to drum up support among Arabs by accusing the West of targeting Hamas, a militant group that fights against Israel and now heads the Palestinian government.

Citing the West’s decision to cut off aid to the Hamas-led government because it refuses to renounce violence or recognize Israel, bin Laden said Washington and Europe were waging war on Islam.

“The blockade which the West is imposing on the government of Hamas proves that there is a Zionist, crusaders’ war on Islam,” bin Laden said.

President Bush was told about the tape Sunday morning. The intelligence community has informed the White House that it believes the tape is authentic, said Bush’s spokesman, Scott McClellan.

“The al-Qaida leadership is on the run and under a lot of pressure,” McClellan said at a Marine base in Twentynine Palms, Calif., where Bush was having lunch with military families.

“We are on the advance. They are on the run.”

Al-Qaida is not believed to have direct links to Hamas, which is an outgrowth of the Muslim Brotherhood. Hamas spokesman Sami Abu Zuhri was quick to distance the group from bin Laden, declaring that “the ideology of Hamas is totally different from the ideology of Sheik bin Laden.”

The groups do, however, share an anti-Israel ideology that calls for the destruction of the Jewish state.