Four people were killed and two others injured after a truck collided head-on with an auto-rickshaw at Nandirpara Station in Cox's Bazar's Pekua upazila today.  The deceased were identified as Aminul Kabir, 28, son of Gias Uddin; Akkas, 33, son of Syed Alam of Sikdarpara; Didarul Islam, 28, son of Abdul Hannan, and Abu Taleb, 38, son of Khalilur Rahman of Pekua upazila.