On the night of 18/19 August bombs fell on Croydon, Wimbledon and the Maldens. On the night of 22/23 August the first bombs fell on central London in attacks described by observers as 'extensive' and for which no warning was given; on the night of 24/25 August bombs fell in Slough, Richmond Park and Dulwich. On the night the RAF first raided Berlin, bombs fell on Banstead, Croydon, Lewisham, Uxbridge, Harrow and Hayes. On the night of the next raid on Berlin, on 28/29 August, German aircraft bombed the following London areas: Finchley, St Pancras, Wembley, Wood Green, Southgate, Crayford, Old Kent Road, Mill Hill, Ilford, Hendon, Chigwell. London was under 'red' warning for seven hours and five minutes. The bombing of London began almost two weeks before Hitler's speech on 4 September, and well before the first raid on Berlin.