Congress's Sampath Raj was elected the 51st Mayor of Bengaluru while Janata Dal-Secular's Padmavathi Narasimhamurthy, the deputy mayor.
Sampath Raj, the Congress corporator from Devara Jeevanahalli municipal ward, was arrested in Bengaluru, the sources said without divulging further details. He had escaped from a private hospital where he got admitted for COVID-19.
The Central Crime Branch probing the August 11 violence in Bengaluru over an alleged inflammatory social media post, has filed a preliminary chargesheet in a local court, naming former Congress mayor R Sampath Raj as an accused.
Resto-bar owner V R Dayashankar who went absconding after the incident was later arrested.
Eye-witnesses said the blast took place at around 7 am. They said a noise of the blast was heard and the 20-year-old building was reduced to rubble.
The fire was in the middle of the wetlands, fire brigade officials said.
Three people were killed after police opened fire on the night of August 11 to quell a mob that went on a rampage in a city locality, irked over a social media post allegedly put out by a Congress legislator's relative.
The agency has named 247 people as accused in the case, according to NIA sources.