Emraan Hashmi, who's in Delhi to shoot for his upcoming film 'Chehre', took to Instagram to share a black and white image of himself and wrote, "Flight for #Chehrein last schedule: Delhi, Poland." "I need...gas mask for one and a thick north face jacket for the other," he added. Earlier, Arjun Rampal and Priyanka Chopra also criticised Delhi's air pollution.