(Interfax) - Militants from the Doku Umarov criminal armed group are ready to lay down their arms, Chechen Prime Minister Ramzan Kadyrov told the Chechen Interior Ministry's senior officials. "As a result of the work we have done, 13 militants taking direct orders from Umarov have announced they are ready to surrender," he said. "Doku Umarov is known as the militants' devil," said Kadyrov.