Homemade clock to school and ends up arrested. Why president obama and others are coming to the muslim teens defense. And we begin our special coverage this week of the refugee crisis, stretching from the middle east to europe. Today, desperation and frustration on the hungary serbia border turned to violence. Hung aryan police tired teargas and Water Cannons at hundreds of people who tried to rush a border post. Hungary said that their actions were justified because they were throwing stones and other items. 20 refugees were detained and 20 Police Officers were injured in the violence. Hungarys president condemned the brutal treatment by the police. Refugees are turning to a new route through croatia. Hungary said that it will build a fence over sections of its border with croatia. And we have more on todays clashes. As tempers flared and fires ignited, hungarys riot police stood firm. Unwavering in the hardline they promised to take. Water cannons may have pushed these refugees back