Police from Coffs/Clarence Local Area Command are appealing for information to locate a man wanted on outstanding warrants after an incident on Wednesday night.
Police say they attempted to arrest Ashley Walker over another matter at 12.25am (Thursday May 21) in South Grafton.
The 30-year-old allegedly threw a chair at police before being handcuffed in front of his body and told he was under arrest.
He escaped police custody, allegedly breaking the front window by kicking it and elbowing a police officer in the face.
Six other men were at the location, allegedly becoming aggressive towards police. Inquiries are continuing in relation to them.
A senior constable suffered superficial cuts to his hand from broken glass and swelling to his leg. He declined medical treatment.
An arrest warrant for escape lawful custody and assault police has been issued for Ashley Walker.
He is described as being of Aboriginal/Torres Strait Islander appearance, about 175cm tall, with a medium build, short wavy black hair and brown eyes.
He may be staying in the South Grafton area.
Anyone who sees Mr Walker is urged not to approach him, but instead to contact police immediately via Triple Zero (000)
Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page.