pPolice in Washington DC are searching for a man who set a convenience store counter on fire during an attempted robbery on January 13.ppThe DC Metropolitan Police Department on Sunday, January 21, released surveillance footage of the incident, hoping someone can help identify the suspect.ppThe suspect entered the store at around 6:45am and demanded cash, a news report saida. When the employee refused, the suspect poured a liquid on the counter and set it on fire. There were no reported injuries.