At least four people, including an 8-year-old girl, were rescued Monday from a high-rise Taiwanese apartment building toppled by a powerful quake two days earlier, as frustration grew among families waiting for searchers to reach their buried loved ones.<br />More than 100 people are believed to still be under the debris in a disaster that struck during the most important family holiday in the Chinese calendar - the Lunar New Year.<br />Saturday's quake killed at least 38 people in Tainan city in southern Taiwan, all but two of them in the collapse of the 17-story building.<br />Authorities have managed to rescue more than 170 people - the vast majority in the immediate hours after the quake -- from the folded building using information about the building layout and the possible location of those trapped.<br />Five survivors were believed to have been pulled out on Sunday, and at least four on Monday.