Cases were registered Wednesday against 150 AMMK members for preventing a flying squad team from discharging its duty, with four people being arrested in this connection, police said. Authorities had conducted a search at a store in Theni Lok Sabha constituency on Tuesday night following inputs about suspected cash, during which police had to open fire in the air to disperse around 50 supporters of AMMK, who objected to the action. Also Read - Unable to Break Open ATM, Robbers Steal The Whole Machine in Tamil Nadu's Tiruppur

The members were booked under various sections of IPC, including preventing government servants from discharging their duties. Also Read - Lockdown News: These States Impose Lockdown-Like Restrictions in March, Only Essential Services Allowed | Full List

When a team comprising officials of the Election Commission-appointed, surveillance squad and the income tax department arrived at the store in Andipatti, the shopkeeper fled the spot after downing the shutter. Also Read - Rahul Gandhi Enjoys Palm Fruit With Locals in Tamil Nadu's Kanyakumari, Video Goes Viral | Watch

Soon, an argument broke out between AMMK workers and the officials which resulted in a commotion and police fired four rounds in the air, they said.

No one was injured in the firing, a senior official said.

The shop is believed to be run by a supporter of the TTV Dhinakaran-led Amma Makkal Munnetra Kazhagam (AMMK).