Amid reports suggesting that the fourth instalment of the 'Dhoom' franchise will witness actor Akshay Kumar, Yash Raj Films (YRF) has denied such claims. "We don't have an idea or script for 'Dhoom 4'...request you to kindly double-check stories with us well in advance," stated YRF in a statement. 'Dhoom 3', starring Aamir Khan, released in 2013.