An Army bomb disposal unit and police officers rushed to a college in the suburbs of Manchester today responding to a call, prompting a lockdown of the area and heightening security fears following the concert bombing that claimed 22 lives. <br/><br/>The security scare comes just days after the deadly suicide bombing at a pop concert in Manchester this week.<br/><br/>According to reports, the Explosive Ordnance Disposal conducted a search and have since left the site at Linby Street area near the college and a large number of roads have been closed and cordoned off.<br/><br/>Intense police activity and a major lockdown near the college area are in place as further details are awaited.<br/><br/>Libyan-origin Salman Abedi blew himself up at end of an Ariana Grande concert at the Manchester Arena on Monday night, killing 22 people and injuring 64 others.