An investigation has been launched into a Japanese beer advertisement which uses Sigiriya as the backdrop.National Heritage Minister Jagath Balasuriya said that approval had initially been sought to film Sigiriya for an energy drink. The Sihala Ravaya meanwhile said it will stage a protest outside the Japanese Embassy in Colombo tomorrow against the advertisement.The monks said they will demand that the Japanese government take action on the advertisement. (Colombo Gazette)CLICK HERE FOR AUDIO The Japanese company had taken footage from the air using a hired helicopter, the Minister said. He said that provisions are there for legal action to be taken against the company for violating its agreement with the relevant authorities.The Minister said that the advice of the Attorney General’s Department has also been sought in this regard. He said that while approval had been granted to use the Sigiriya backdrop for the energy drink, the company which had obtained the approval used the footage for a beer brand.