New Delhi: CNN office in New York were evacuated on Thursday night following a  phoned-in bomb threat. Police officials are on the scene. Several fire alarm bells reportedly rang inside the newsroom, signalling an evacuation shortly after the call was received. Soon police and the network issued an all-clear message.

“The NYPD (New York Police Department) has now given us the all clear, and employees have been permitted to return to the building. The building is secure and safe for everyone to return in the morning. We appreciate the swift action by the local authorities, and the patience and professionalism of all the employees who were impacted,”CNN Worldwide president Jeff Zucker said in an internal memo to staff on Friday.

In October, the network’s bureau was evacuated after a package with an explosive device, addressed to former CIA Director John Brennan, was discovered. That package was among more than a dozen improvised explosive devices sent to prominent Democratic politicians and donors around the country in October.