NEW YORK - Authorities are trying to sort out details of a deadly stabbing Monday morning in a normally quiet city neighborhood.

Police say a man was found slumped over on West 46th near Ninth Avenue in Hell's Kitchen just after 3 a.m. 

Police were seen searching the scene in a Citizen App video. 

The man had trauma to his face and a stab wound to his chest.

Sources say a witness saw the man running east toward Times Square before collapsing.

Police are now reviewing surveillance video from the area.

Anyone with information on the case should contact the Crime Stoppers hotline at 1-800-577-8477, or text CRIMES and then enter TIP577, or visit www.nypdcrimestoppers.com.