i m becky anderson here in manchester in northwest england with the very latest on the terror attack. the uk s terrorism threat level is at the highest critical mark for the first time in a decade. prime theresa may says intelligence services believe another attack could be imminent. armed soldiers are being deployed to key sites for added security. police have identified the suicide bomber as 22-year-old salman abedi. officers raided his home and another location on tuesday. many in manchester gathered to mourn the 22 victims here at vigil outside city hall. dozens of concert-goers were wounded, some critically. joining me tom wilson with the