Macedonia's police and army were "taking steps" to return a crowd of migrants from the Greek refugee camp Idomeni and enhance security after they "illegally" crossed the sealed border on Monday, the Interior Ministry said, according to dpa. "More than 700 migrants illegally entered from Greece ... Police and members of the Macedonian army are taking steps for their return to Greece," the statement said. The ministry also said that police and the military were working "to improve security in places where large groups of migrants were observed crossing the border."