A second man has been charged over a refund dispute which ended with a Facebook Marketplace seller being thrown from the verandah of his home.

A 52-year-old man sold his 2013 Nissan Pulsar on August 6 but six days later, he was allegedly confronted by three people demanding a refund at his Stapylton home, Queensland Police (QPS) said.

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The man was allegedly assaulted, thrown from his verandah, and further attacked while on the ground by the group before they fled in a Volkswagen van.

He sustained serious spinal injuries and required surgery.

“Following further investigations, detectives yesterday charged a 33-year-old Forest Lake man with one count each of grievous bodily harm and common assault,” police said.

It follows the arrest of a 40-year-old Lockrose man, who was charged on August 14 with one count each of grievous bodily harm and assault occasioning bodily harm whilst armed/in company.

Both men are due to appear in Beenleigh Magistrates Court on September 17.

Investigations are ongoing and anyone with information is urged to contact Crime Stoppers.