Patna: There are reports of three Pakistani terrorists infiltrating Bihar. The Bihar Police Headquarters has issued a high alert to all the district police and has also sent the names and photographs of the terrorists to them, the sources of the police headquarters said.According to sources, they all reached Bihar through Nepal. Pictures of Pakistani terrorists Hasanan, Adil and Usman have been sent to all district police. Sources said that Hasanan is from Rawalpindi, Adil from Umkot and Usman from Bahawalpur in Pakistan.It is suspected that the three terrorists may have entered Bihar from Nepal through Araria district. An investigation is currently underway.However, no official confirmation / statement has been made from the police headquarters. Based on the intelligence input, there is a doubt that the terrorists intended to do a major incident in Bihar.Sources said, all three terrorists reached Kathmandu in the second week of August and entered Bihar last week. There is also a concern that these terrorists can attack in some parts of the country.