UN Headquarters Cordoned Off After Armed Man Spotted Outside Venue: Report

<p style="text-align: justify;"><strong>New Delhi:</strong> The United Nations Headquarters in New York, USA has been sealed after a lone man apparently holding a gun was sighted outside the venue, on Thursday, news agency AFP reported.&nbsp;</p> <p style="text-align: justify;">"The UN headquarters is closed, there is police activity," a UN spokesman told AFP.</p> <p style="text-align: justify;">"Due to a police investigation, avoid the area of 42 Street and 1st Avenue. Expect emergency vehicles in the surrounding area," the New York police department said on Twitter.</p>