The Civil Aviation Authority (CAA) of Iran announced that all flights from the country's airports will be cancelled from 9:00 pm., Sunday, until 6:00 am., Monday, (local time).The decision to cancel the flights was made due to "operational restrictions," CAA spokesperson Jafar Yazarloo told Iranian media outlets without elaborating The move coincides with mounting tensions between Iran and the Israeli occupation regime after the latter vowed to retaliate for the last Tuesday missile attack by Iran.Source: Kuwait News Agency