Pupils will be able to use their phones in some circumstances, but they will need to get permission from teachers.File photo. Image: Mira Bäck / YleYle NewsFinnish Parliament voted on Tuesday to approve a law that restricts the use of mobile devices by pupils at primary and secondary schools.The new rules are expected to come into force after the summer break, in August.The law does not entirely ban the use of mobile phones at school, and their use will be permitted in certain situations. But ge...