A foreigner has been shot dead by unknown assailants at Gulshan diplomatic zone in Dhaka.Gulshan Police Station Officer in Charge (OC) has confirmed the matter to JagoNews24.com. He said, the foreigner was found with bullet wounds around 6:00pm Monday at Road 90, Gulshan-2.Later he was taken to United Hospital, where the doctors declared him dead, he added.An official at Gulshan’s United Hospital said the victim, in his 50s, was identified as Tabella Teasar.His nationality could not be confirmed immediately.