At least four people were killed and 143 injured following torrential rains in Taiwan that also caused agricultural losses worth more than 563.2 million Taiwanese dollars ($18 million), authorities said on Monday.Central and southern Taiwan have suffered floods that have paralysed factories and work on farms in addition to causing power outages and damaging several roads, reports Efe news.According to disaster management authorities, thousands of homes have been flooded and about 7,000 people have been evacuated, including 1,827 who are living in 20 temporary shelters.Some 70,000 households have suffered power outages, according to fire agency data.A Taiwanese weather expert on Monday forecast three more days of torrential rains and strong winds, warning residents of increased flooding, landslides and falling rocks, while evacuations continue.The army has mobilized more than 37,000 troops and some 5,000 aircraft and vehicles to deal with the situation arising from the torrential rains.