India, May 9 -- The Delhi government and the police will conduct trials of the newly installed air siren system in central Delhi's ITO on Friday afternoon as a precautionary measure amid rising tension between India and Pakistan. The sirens will be heard around a radius of 4 km, a police officer said.

The testing will commence at 3 pm and be carried out for a period of 15-20 minutes, a government order said. "Accordingly, it is requested that adequate publicity may be made through social and electronic media so that general public are advised to stay calm and not to panic during the said exercise," the order signed by district magistrate (Central) G. Sudhakar reads.

Delhi police teams have been deployed to check the preparedness of the ...