Ansar, who was found making 'Jhukega Nahin' gesture from the movie Pushpa when being arrested, was found instigating people on Sunday and taking out processions after coming out on bail last week.
Notably, Ukkadam is considered to be a sensitive area and has a Muslim-majority population. The blast on Sunday took place outside the famous 'Kottai Eshwaran Temple'.
The incident in Karnataka was discovered when a 19-year-old woman disappeared on October 5 and her mother went to Yeshwanthpur Police Station to report her missing.
Days before Hamedi's arrest, an Iranian photojournalist named Yalda Moaiery was arrested by the Iranian authorities during the anti-state protests while she was covering the agitated crowd on Hejab street in downtown Tehran.