Police would like to identify two people in connection with reports that an officer was assaulted in Drake Road, Chafford Hundred, at around 9.10am on Sunday March 1.
While attempting to detain the driver after arresting him, the officer reported a group of people pushed and obstructed him.
Bill Monteiro, 26, of no fixed address, was charged with obstructing a police officer, assaulting an emergency worker and assault with intent to resist arrest.
Cesar Costa-Pereira, 34 of Catharine Close, Chafford Hundred, was charged with obstructing a police officer and assaulting an emergency worker.
Both are due to appear at Southend Magistrates’ Court on Thursday May 28.
Police continue to appeal for information to find Rui Monteiro, 26, in connection with drink driving and assaulting an emergency worker.
He also uses the names Monteiro Rui, Lanick Monteiro, and Monterio Lanick.
He has links to Tilbury, Chafford Hundred and Nottingham.
Anyone with information is asked to call Grays CID on 101 quoting crime reference 42/33417/20.
Alternatively, contact the Crimestoppers charity anonymously on 0800 555 111 or use the anonymous online form at Crimestoppers-uk.org.