Small plane makes emergency landing in Karachi

A small plane landed on a busy highway outside the countrys biggest city Karachi after developing an engine fault, an aviation official said.The small plane was heading back to Karachi on a training flight from the town of Nawabshah, 250 kilometres (156 miles) to the northeast, when it ran into trouble.The plane came down on the highway about 75 kilometres outside Karachi, the countrys financial capital whose Arabian Sea port is used by NATO to truck the bulk of its supplies to troops fighting in neighbouring Afghanistan.The highway is one of the busiest in the country, connecting Karachi to the rest of the country.