From Himani Kumar
Chicago, May 15 (PTI) The authorities here and across the US have stepped up security after clues emerged from the materials seized from the Abbottabad compound that slain al-Qaeda chief Osama bin Laden plotted to attack America on the tenth anniversary of 9/11.
The authorities also tightened security as it feared of counterattacks from al-Qaeda after the slaying of bin Laden.
"There was no plan to attack anything or anyone" but "This was his (Osama's) thought for the future. Maybe his desires," Ross Rice, spokesman for the Chicago FBI told PTI.
In October last year, two explosive packages addressed to Chicago-area synagogues and packed aboard cargo jets were seized. The plot triggered worldwide fears that al-Qaeda was launching a major new terror campaign.
Rice said that Chicago is on the radar line of al-Qaeda because of its central location, big size, infrastructure and tall buildings.