Flights to and from Bogota, Colombia's capital, will be rerouted due to smoke from the Nevado del Ruiz volcano, which may create delays, according to the state-run Civil Aviation Authority.

"Air travel to and from Bogota, as well as from the southern and western sections of the nation, will be rerouted due to smoke from the Nevado del Ruiz volcano exceeding 27,000 feet high," the Civil Aviation Authority said in a tweet, according to Xinhua news agency. Itineraries may be disrupted, according to the agency, so travellers should contact their airlines for further information.

"The Civil Aviation Authority, in collaboration with operators, is attempting to minimise the impact that this natural phenomena may have on the safety of aviation operations and user service". The Nevado del Ruiz is a volcano in Colombia that is located on the border of the departments of Caldas and Tolima, about 129 kilometres west of Bogota.

A small eruption on November 13, 1985, resulted in a massive lava flow that buried and destroyed the village of Armero in Tolima, killing an estimated 25,000 people. The volcano continues to pose a threat to nearby cities and villages, with up to 500,000 people possibly vulnerable to future eruptions.

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