Police in southern India's Karwar were called to a school after residents heard a loud banging from inside on December 1.

When the residents called there was no response and when they peeped through the window, there was no sight of anyone.

As the noise continued, the spooked residents thought there was a ghost at play and called local police, which sent a team to the spot.

Police and locals followed the noise inside Shivaji High School and located the locked door that was making the noise.

The police then called the school administrator who handed over the key to the room.

Upon opening the door a stray dog appeared, causing the police and locals to burst into laughter.

The dog had managed to get itself locked inside the room and was desperately banging the door to get out. It went on its way peacefully unaware of the commotion it had caused.

Residents near Karwar in southern India heard a soft but strange sound on the night of December 1.

When they followed the sound they found that the repeated knocking noise was coming from a room in the nearby Shivaji High school. The door was locked from outside but someone was banging it from inside.

When they called there was no response and when they peeped through the window they could not see anyone.

As the noise continued, the spooked residents thought there was a ghost at play and called local police, which sent a team to the spot.

The police officers also failed to get any response from inside. Emboldened by the police presence the residents spoke to the ‘person’ behind the door in different languages - Kannada, Konkani and Marathi. But the 'person’ refused to respond.

The police then called up the school administrator, who joined them and handed over the key to the room.

When the police opened door, out came a stray dog, triggering an anti-climax laughter all around.

The dog had managed to get itself locked inside the room and was desperately banging the door to get out. It went on its way peacefully unaware of the commotion it had caused.