Police will now send a second warrant to Chonsawas to hear the new charges, which now total eight.

Meanwhile, a group of Samut Prakan residents gave morale support to the 'bullied' Makkasan police officer.

Chonsawas and two aides allegedly detained and assaulted Lance Corporal Prarob Saengnil, after Chonsawas was stopped for speeding and erratic driving and asked to take a breath test at a New Phetchaburi Road checkpoint last weekend.

Police have already sent a warrant for Chonsawas to hear the charges but as of late yesterday he had yet to show up.

Makkasan Police superintendent Colonel Jeerasak Khamkhong said more witnesses had been interviewed yesterday and they helped confirm that the alleged assault took place.

So, police would now issue a second warrant for the son of former deputy interior minister, Vatana Asavahame, to hear the six additional charges.

The charges include obstructing authorities attempting to do their job by use of physical force; using three men to obstruct an official against his will by applying physical force; causing damage to property; reckless driving; failing to submit to a driving ability test and insulting authorities in their attempt to perform their duties.

Meanwhile, a group of 20 people representing residents of Samut Prakan's six districts went to give morale support to Prarob at noon yesterday.

They also carried signs that read, "We, Pak Nam residents, feel ashamed of Chonsawas' decision to spend his free time bullying officials instead of developing the city...we want justice for the police officers who were bullied."

Metropolitan Police division 1 commander Maj-General Manit Wongsomboon said Thong Lor police also had a physical assault case filed by a gold-shop owner's daughter against two female models thought to be with Chonsawas on the same night.

Makkasan police had contacted their colleagues at Thong Lor to see if the two cases were related.