She conveyed solidarity and offered condolences to the families of those who lost loved ones in the "ghastly" attack.
"The entire world community must come together as one to fight the scourge of terrorism cutting across boundaries and religion," she said.
Condemning the blast, Rahul Gandhi tweeted, "Strongly condemn the terror attack in Manchester. Absolutely shocked and saddened by the loss of lives and suffering caused by the senseless violence."
The Islamic State terror group claimed responsibility for the bombing and warned of more attacks.
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