French PM threatens punishment for pupils who failed to comply with minute's silence for murdered teacher

French schoolchildren observed a minute’s silence on Monday in honour of Samuel Paty, the teacher beheaded by an 18-year-old Chechen refugee, under threat of punishment from the prime minister. France is on maximum security alert following Mr Paty’s murder last month and the killing of three people in a frenzied knife attack in a Nice church by a 21-year-old Tunisian migrant on Thursday. Mr Paty was killed after...