Lawrence Bishnoi, a convicted mobster, has denied mailing a threat letter to Bollywood star Salman Khan and his father, Salim Khan

Bishnoi claimed he had no knowledge of anyone involved in the incident

In connection with the threat letter to actor Salman Khan, Delhi Police detained mobster Lawrence Bishnoi

He claimed he had no involvement in the situation and had no idea who sent the letter

The news comes only one day after the Maharashtra Home Department beefed up Salman Khan's security following a death threat letter delivered to him and his father, famous playwright Salim Khan

On a Sunday morning, Salim Khan sat on a bench at the Bandra Bandstand after a morning walk

This is when he received a letter from an unknown source threatening Salim and Salman's life

The Mumbai Police also filed a FIR in the case under section 506-II of the Indian Penal Code (IPC) at the Bandra police station after the death threat letter was sent

Khan's Galaxy Apartment house in the Bandra region was visited by five officials from the Mumbai crime branch, as well as local police officers

The location where Salim Khan received the threat letter was also visited by police

Police combed through footage from nearby CCTV cameras to find the person who placed the threat note on the bench