The death toll in the powerful tremor that hit Taiwan on Saturday has risen to 23. [TAKE VO] As rescue efforts enter a second day, workers continue to comb the wreckage with sniffer dogs and acoustic equipment, looking for signs of life. The magnitude-6.7 earthquake hit Kaohsiung City in the south of the island at around 4 A-M local time on Saturday, at the start of a Lunar New Year holiday. The nearby Tainan City bore the brunt. Several buildings collapsed, including a 17-story residential tower.