The West's moves to isolate the new Hamas-led Palestinian government prove it is at war with Islam,
a tape said to be from Osama Bin Laden says.
The recording, purported to be by the al-Qaeda leader, was broadcast by Arab satellite TV al-Jazeera.
It was the first message from Bin Laden since January 2006, when he threatened more attacks on the US.
However, there is still no fresh information on the whereabouts of the fugitive leader.
Hamas isolation
The speaker on the tape said that along with their governments,
the people of the West bear responsibility for what he called a "Zionist crusaders war against Islam".
"The war is a responsibility shared between the people and the governments.
The war goes on and the people are renewing their allegiance to its rulers and masters," he said.
"They send their sons to armies to fight us and they continue their financial and moral support
while our countries are burned and our houses are bombed and our people are killed."
He said that the decision by some Western powers to cut funding to the Palestinian government since the militant group Hamas won elections there was further prove of this anti-Islamic campaign.
"The blockade which the West is imposing on the government of Hamas proves that there is a Zionist crusaders war on Islam,"
the tape said.
As in a tape from the al-Qaeda leader in January, the speaker warned of fresh attacks on US soil.
The speaker also criticised Western involvement in the Sudan saying it was part of the "crusades against Islam"
and called for terrorists to journey there to join the fight.