Coimbatore: A 38-year-old man from Kuniyamuthur was arrested for calling up the state police master control room in Chennai on Sunday night, stating he had planted bombs on Marina beach and they would go off soon. Identifying the accused as Peer Mohammed, a resident of Senthamil Nagar near Sugunapuram in the city, police said he was arrested four times in the past for making hoax bomb threat calls to the control room. An investigation officer said, “Mohammed made all the calls under the influence of alcohol. On Sunday night, he called up the state police master control room four times and officials who attended the call were sure that they were hoax bomb threat calls. He had told them that the bombs would go off when he makes the 100th call.”