The Muslim Ekta Manch condemned the attack and the members said they will submit a memorandum to the police commissioner.
While police personnel had been deployed soon after the attack, security was beefed up on Saturday after several outfits reacted to the incident.
Seven accused persons have been identified and five police teams have been formed to look for them.
The group then entered the building and the men sent the women and children to the second floor terrace.
The police said three-four others have been detained.On Saturday, the deputy commissioner of police (south), Himanshu Garg, inspected the area.
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