Boys arrested over breaking into schools

Two teenage boys have been arrested after allegedly breaking into two Adelaide schools, damaging several buildings and starting a fire outside a classroom.

Police were called to the two Morphett Vale schools between 4.30am and 5am on Wednesday after alarms were activated. They arrested two 17-year-olds near the second school.

The duo allegedly damaged several buildings and items at the schools and are expected to be charged with aggravated serious criminal trespass and arson.