Worried neighbors called the police after hearing a woman 'screaming loudly during sex'.

Residents in Guangzhou, southern China, dialled the emergency services on March 22 after hearing what they believed were cries for help coming from a seventh-floor apartment.

Footage of the bizarre rescue shows firefighters, dispatched by police, breaking down the flat's front door and struggling to gain access to a locked bedroom.

However, as they used a crowbar on the door, it suddenly opened, revealing a confused, shirtless man stepping out.

Authorities found that the pair were engaged in a private and passionate session. The startled man asked: 'What are you guys doing?'

Then, as the astonished firemen looked on, the woman stepped out of the room and peered sheepishly over her lover's shoulder.

It remains unclear whether authorities will pursue any charges related to the incident.