The hippos have posed a problem for Colombia, where they became an invasive species after being brought to the country by the drug lord.
The building was full of crew and student pilots at the time.
Rachel Kerr,from Scotland,has not been seen for days,and her phone is switched off (Picture: Jam Press)
China Eastern Airlines (CEAir) has inaugurated a new nonstop route connecting Vienna, Austria, and Xi'an, capital of northwest China's Shaanxi Province, marking the first direct air link between Austria and northwest China.
