A 23-year-old man has been arrested in reference to the Manchester concert bomb attack that killed twenty two individuals, as well as kids, and wounded dozens more in the worst terrorist incident to hit Great Britain since the July 7 atrocities. The arrest was announced moments after Prime Minister Theresa may denounced the "appalling sickening cowardice" of the lone terrorist who detonated a do-it-yourself device in the foyer of the Manchester Arena even as thousands of youths were departing a concert by United States pop star Ariana Grande. Police at the scene outside the Manchester Arena Declaring that police and security services would be given whatever resources were required to track down any accomplices of the attacker, Mrs May vowed: "The terrorists will never win and our values, our country and our way of life will always prevail." Greater Manchester Police said in a statement: "With regards to the ongoing investigation into last night's horrific attack at the Manchester Arena, we can confirm we've arrested a 23-year-old man in South Manchester." Counter-terrorism agencies have mounted a major operation to determine the circumstances of the attack and the bomber's background. Andrew Parker, the Director General of MI5, said everybody at the agency "is revolted by the disgusting terrorist attack". The first floral tributes to the victims of the terrorist attack are placed on the empty streets of Shudehill He added: "Our hearts go out to the families of the victims, the injured and everybody affected by it. "Our teams have been working with the police through the night to assist the investigation. "We remain relentlessly focused, in numerous current operations, on doing all we can to combat the scourge of terrorism and keep the country safe."