But amid the horror of last night's Manchester Arena blast that left 22 people dead, heart-warming stories of generosity are beginning to emerge.
Bystander Paula Robinson, 48, of West Dalton, was with her husband at a train station when the suicide bomb exploded Monday night in the foyer of the arena where Ariana Grande had just finished a sold-out show.
I want to hear my best friend's voice again and make sure her and her boyfriend are okay.
Facebook has activated its safety check feature so people can let loved ones know they are safe, and an emergency helpline, 0161 856 9400, has been set up for those searching.
Looking after the teenagers, Paula - who is now no longer with the children - took to Facebook in the aftermath of the attack.
Paula Robinson wrote on Facebook: "We have got about 50 kids with us waiting to be picked up, they are safe, we will look after them".
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The singer's label rep has reportedly confirmed she is "okay" as hundreds of her fans took to social media to say they are "praying for her".
So if you see a similar post, please do not share it. NHS Blood and Transplant have said: "We do have all the blood required for hospital patients at the present time, however we are always keen to encourage new donors to register and existing donors to book an appointment which can be done at Blood.co.uk or call 0300 123 23 23 to find your nearest session". Praying for safe return my lovely. "Her family and friends are anxious".
'Her sister was with her two children who were also in hospital with shrapnel wounds.
Holiday Inn and Premier Inn hotels took people in on a night that many social media users also offered their help.
A spokeswoman said: "There have been reports of a number of unaccompanied children being brought to a Holiday Inn or Holiday Inn Express in the area, however these are incorrect".
Mr Govender praised the bravery of emergency services workers and said he would open the cathedral for a vigil once the police let him in.