NEW DELHI: A portion of Humayun’s Tomb in Delhi’s Nizamuddin area collapsed on Friday, with eight to nine people feared trapped, according to Delhi Fire Services.Rescue teams have reached the site and efforts are underway to locate and assist those who may be inside.A call regarding a portion of a dome falling was received around 4.30 pm. The monument is a mid-16th century mausoleum that is frequently visited by tourists. (Further details are awaited)