About 3pm yesterday, police and paramedics attended a unit complex on Lawrence Hargrave Road after receiving reports a man had been shot.

Liverpool Police said a 39-year-old man was approached by two men and an altercation occurred before they assaulted him, causing facial injuries.

The offenders then chased the man through the courtyard of the complex.

A 41-year-old man who came to the assistance of the victim was shot in the foot by one of the men who was armed with a handgun.

He was taken by ambulance to Liverpool Hospital for treatment.

Two men were arrested at the scene and taken to Liverpool Police Station where they were questioned over the incident.

Meanwhile, a crime scene was established and a canvass of the surrounding neighbourhood undertaken.

A ballistics dog was also brought in to examine the area.

A 31-year-old Warwick Farm man was charged with causing grievous bodily harm.

A 31-year-old Prestons man was charged with causing grievous bodily harm; discharging a firearm; firing a firearm in a manner likely to injure persons/property and damaging property.

Both have been refused bail to appear in Liverpool Local Court today.

Investigations into the incident are continuing and police ask anyone who witnessed the altercation and/or shooting to contact Liverpool Police, 9821 8430 or Crime Stoppers, 1800 333 000.