Singh said the Karnataka Chief Minister apprised him of the situation.
"Spoke to Karnataka CM Shri S Siddaramaiah regarding the Bangalore blast. He apprised me of the situation. Centre ready to provide all help," Singh tweeted.
Two persons were injured, one seriously, in a low-intensity explosion triggered by an improvised explosive device outside a city restaurant.

Bengaluru Blast: Karnataka CM convenes high-level meet today

Chief Minister Siddaramaiah tonight said he has called a high-level meeting here on Monday in the wake of the blast in front of a restaurant that killed one woman and injured three others, and maintained that the incident happened despite police being on high alert.
Rushing to the blast site from Mysuru, Siddaramaiah said Union Home Minister Rajnath Singh spoke to him and offered central help in the investigation into the blast, triggered by an Improvised Explosive Device.
Asked about the terror angle, he said, "Let the investigation go on. Let us not come to any conclusion before that."
He evaded a reply when asked if there was any specific intelligence alert about the blast.
"Police were on high alert. Inspite of this, it has happened," he added.

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