Radical 讠
7 strokes
訴
words 讠 (67c) + drive out 斥 (719a) = tell 诉
告诉 (138) gàosù to tell, inform]

The lurid words scrawled on the wall urge people to drive out any foreigners; the authorities have asked people to tell the police if they know who was responsible. / The dwarf police official will be stationed at the supermarket (ready to take reports).