THE US was slow to take seriously the threat posed by homegrown radicals and the government has failed to put systems in place to deal with the growing phenomenon, according to a report compiled by the former heads of the 9/11 commission.

The US was slow to take seriously the threat posed by homegrown radicals and the government has failed to put systems in place to deal with the growing phenomenon, according to a new report.

Security services were warned of a terrorist bomb plot weeks before the failed Christmas Day airliner attack, it was claimed today.