At least four people are reported to have died following an earthquake in Taiwan – the strongest in the country for a quarter of a century – officials have said. At 7.58am local time, the earthquake struck 25km (15.5 miles) south of Hualien, a city on the country’s east coast, triggering landslides and building collapses across the area. Over 700 people have been injured in the quake, Taiwan’s government has said, while people are still trapped in collapsed buildings in Hualien with search efforts underway. The quake was measured at 7.7 on the Richter scale, according to Japan’s meteorological…