Staff Reporter :Dhaka Metropolitan Police (DMP) Commissioner Asaduzzaman Mia on Wednesday claimed that the incidents of encounters across the country did not take place without valid reason.With reference to the ongoing violence during the non-stop blockade and hartal of BNP alliance, the DMP Commissioner said, “An encounter takes place when such as environment is created.”Asaduzzaman Mia said it while addressing an award giving program at DMP Media Centre on Minto Road in the city at noon.The DMP chief said that every citizen has constitutional rights to live peacefully. According to the country’s constitution, when they come under attack they have to self-defence.A total of 1,010 people were detained across the city in connection with creation anarchic situation amid ongoing blockade and shutdowns, said Asaduzzaman Mia.Violent activities during the blockade and hartal have decreased significantly.