Transcript for Ariana Grande vows to perform again in Manchester after bombing

Next this Friday night to new word coming in late from Ariana grande after the terror attack in Manchester. Matt Gutman is there. Reporter: Her concert silenced by that bomb, the scattering fans, and the carnage. But tonight Ariana grande is silenced no more. The pop icon writing in a statement today -- "We won't let this divide us. We won't let hate win." Vowing to perform again in this battered city, a benefit concert "In honor of and to raise money for the victims and their families." All around England, signs of that critical alert. Hospitals ordered to prepare for an attack. In Manchester this evening we were there as S.W.A.T. Teams swarmed downtown. Minutes ago, tremendous amount of screaming here. Police telling people to get back. That was a false alarm, but it was the real thing at this man's house two hours south of here. When I opened the door there were three to four officers right at the door pointing guns. Reporter: His family member arrested, one of multiple ongoing searches in the country. Matt is with us live from England. Word has gotten out that Ariana grande plans to return? Reporter: That's right, and 2 million likes on social media. Folks in Manchester say they can't wait to welcome her back. One young woman saying it shows that Ariana grande is not scared of Manchester. Thank you. Still much more ahead on "World news tonight" this Friday.

This transcript has been automatically generated and may not be 100% accurate.