In a post on Twitter, Grande wrote: “Broken. From the bottom of my heart, I am so so sorry. I don't have words.”
At least 19 people were killed and 50 others wounded in what Greater Manchester Police described as a "terrorist incident."
Immediately after the blast, a spokesman for Grande, 23, said the singer was "okay."
Grande’s concert was held at the Manchester Arena, the largest indoor arena in Europe, is a popular concert and sporting venue. it has a capacity for 21,000 people, according to its website.
Britain is now on its second-highest alert level of "severe" meaning an attack by militants is considered highly likely.
– with reports from Rose Eclarinal, ABS-CBN News, and Reuters
source: news.abs-cbn.com
