1915 Sinhalese-Muslim riots
…The colonial authorities had the house of many prominent Sinhalese searched and many were arrested without charges. These included F. R. Senanayake, D. S. Senanayake (later the first prime minister of Ceylon), D. B. Jayatilaka, W. A. de Silva, F. R. Dias Bandaranaike, E. T. de Silva, Dr Casius Ferreira, C. Batuvantudawe…