At press time, police spent two hours but failed to convince Wanchai Danaitamonut, 60, to surrender. Wanchai held himself hostage threatened to shoot his own head after police surrounded him at the car park of the Suparp Hotel in Saphan area.
He allegedly shot dead Pichai Chaisongkram, 56, and Nattapon Chumworathayee, 54, on Wednesday following dispute over academic qualifications.