BBC: Al-Qaeda is intensifying its efforts to put operatives into the US and the nation is at a heightened risk of attack, a US intelligence report says.
The terror group is weaker than it would have been had it not been for US efforts since 2002, President George W Bush's homeland security adviser said.
But al-Qaeda has found a "safe haven" in Pakistani tribal areas which has allowed it to regroup, the report says.
Officials say there is no specific terror threat in the US at present. Al-Qaeda 'stepping up US efforts' (more)
Mark Alexander
