However, the PAAS members were later released after their supporters gheraoed Varachha police station to protest against their detention.
Kathiria, Dharmik Malaviya and two others were detained for allegedly trying to block BJP MLA from Karanj seat, Janak Kachhadia, from meeting local voters of Varachha area during the saffron party's door-to-door campaign ahead of the Assembly polls in December.
To avoid any unwarranted situation in the Patidar-dominated area, which had seen some of the worst quota-related violence in 2015, para-military force was also deployed outside the station, police said.
An official of Varachha police station said, "We released Kathiria and three others today evening. The situation is now under control."
After being released, Kathiria alleged that PAAS members were detained without any provocation. He also announced to launch a drive to block BJP leaders from campaigning in the city.
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