Around 20 houses and farming areas were submerged by flood at Banyutarung village, Tamanggung District, Central Java Province, Tuesday. Incessant heavy rains triggered the flood and a river to overflow, Saltiyono, a local officer said here Wednesday. The flood victims were given relief aid consisting of among other things, rice, instant noodles, canned fish, blankets and kitchenware, ANTARA reported.