A strong 6.5-magnitude earthquake jolted waters near Taiwan's east coast on Tuesday night, killing at least six people and injuring over 200.
The death toll stood at six as of 8:00 p.m. local time on Wednesday with at least 258 others injured in the strong, 6.5-magnitude earthquake, Taiwan's emergency operation center said in a statement.
The statement said 67 people were still unaccounted for.
The head of Hualien Tzu Chi General Hospital said that six injured tourists from the Chinese mainland are being treated in the hospital, one of whom suffered a severe foot injury while the other is in critical condition.
Local media said that a 45-year-old woman from the Chinese mainland, who was seriously injured in the earthquake, died at 9:00 p.m. local time on Wednesday. However, authorities have yet to confirm the news.
After the earthquake, Director of Taiwan Affairs Office of the State Council Zhang Zhijun had a telephone conversation with the head of Hualien, promising to provide emergency assistance and rescue teams.
An emergency response mechanism has also been initiated by the Association for Relations Across the Taiwan Straits (ARATS) and Taiwan Affairs Office of the State Council.
According to the China Earthquake Networks Center (CENC), the earthquake struck waters near Hualien County at around 11:50 p.m. Tuesday at a depth of 11 kilometers.
Photos and videos circulating on social media show collapsed buildings, tilted structures and damaged roads and bridges.
Local media said four buildings including the Marshal Hotel, Yun Tsui building and two residential buildings were among the damaged structures.
The earthquake was followed by a series of aftershocks including several measuring over 5-magnitude.
A power outage affected 1,900 households and 40,000 households are without water, according to Taiwan's Central Emergency Operation Center.
About 40 roads have been damaged and two bridges, including Qixing Tan, sealed off.
Train service to the city center is still available in Hualien but at a slower speed, according to Xinhua News Agency.