Air alarm at 4:30 a.m. One plane shot down and crashed near Mandaluyong. Exploded and lit up the country side. All clear sounded at 6:29 a.m.
Air alarm again at 7:27 a.m. Heaviest bombing and anti-aircraft fire of all. All clear at 11:10 a.m.
12:40 p.m. air alarm. Planes already overhead. Saw 20 planes bomb and strafe Marquino valley; appeared to be between Marikina and San Mateo. Strafing continued for about twenty minutes. Several fires started. Quiet at 1:30 p.m.