South Yorkshire's politicians have tweeted messages of condolence and resilience in the wake of the suicide bombing in Manchester in which 22 people were killed.
Police are still investigating the circumstances of the attack on Manchester Arena, which happened shortly after an Ariana Grande concert last night.
All parties have suspended their General Election campaigns as a result of the tragedy. A hustings event that was due to take place at St Mary's Church community centre in Bramall Lane tonight has been cancelled.
Labour's candidate for the Sheffield Central seat Paul Blomfield was among those to post on social media this morning.
He said: "All thoughts with those killed and injured in the appalling attack in Manchester, and with their families and friends."
Tom Hunt, the Conservative candidate for Doncaster Central, said: "Increasingly shocked and saddened as the scale of the sickening attack in #Manchester has become clear. Thoughts & prayers with the victims."
Natalie Bennett, a candidate in Sheffield Central, said: "Manchester:Heartfelt condolences to families of those who no longer have futures,the injured & thanks emergency services & volunteer helpers."
Anthony Smith, a Liberal Democrat candidate for Don Valley, said: "Waking up to heartbreaking news from Manchester, thoughts will all those affected."
Ukip's Dr Dominic Cook, campaigning in Sheffield Central, said: "What a vicious callous act on innocent teenagers . My thoughts go out to all this has touched."
Steven Winstone, a Social Democratic candidate in Sheffield Hallam, wrote: "Stronger intelligence services and border checks or more hospital staff and funeral directors. Choose wisely. I'll say it as I see it."
Barnsley Council said: "#westandtogether with #Manchester. You're in our thoughts today."
Doncaster Council is flying a flag at half mast at Sir Nigel Gresley Square.
The council said: "@MyDoncaster flag at half mast for #Manchester our thoughts and prayers are with you #WeStandTogether"
Labour's Gill Furniss, a candidate for Sheffield Brightside and Hillsborough, said: "My deepest thoughts are with the families of those who have lost loved ones and those injured in Manchester. It is a horrifying situation."
The Yorkshire Party tweeted from its official account to say: "No campaigning today. No election today. A day to mourn for those who have been lost."
Stephanie Roe, the Conservative candidate for Sheffield Central, said: "So sad to wake up to the news from Manchester. Thoughts go out to all of the friends and family affected."
Former Labour leader Ed Miliband, candidate for Doncaster North, wrote: "Deepest sadness and horror at the attack in Manchester. An appalling act of cruelty. My heart goes out to the victims and their families."
Sheffield city councillors have also tweeted messages condemning the attack and showing support for the victims.
Coun Ben Curran said: "Absolutely terrible news from #Manchester. My thoughts are with those affected and the people working hard to help them.
"Lovely to hear taxi drivers in Manchester switched off their meters & gave people free rides home. Shows the best side of humanity."
Coun Moya O'Rourke said: "Can't comprehend something like this happening somewhere so familiar. Love, hope and well wishes for those in Manchester. Wish I could help.
"The people of Manchester are tough, warm and smart. Don't fall for this and let the fear divide us. We'll pull through this, together.
"Rest in peace, those who have passed tonight."
And Coun Andy Nash said: "Just hearing of Manchester attack, thoughts with all involved. Reaction of emergency services, public, businesses shows triumph of unity over fear."
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