DNA test result revealed that four terrorists who attacked PNS Mehran base in Karachi were foreigners, officials said on Saturday. According to police, DNA test report received on Saturday which showed that the attackers were not Pakistani nationals. The report disclosed that two of them belong to same country while nationality of other two has not been confirmed so far. Those terrorists were Anglo-Indians and have blood relations, could be cousins, the report said. Police said two samples were taken for DNA, one to know their nationality while other for identification of their families. These samples were matched with NADRA database which revealed that these terrorists were not Pakistani.