In this task, you are given a piece of an article. Your task is to generate a short summary of the text. Try to give the summary in just one sentence.

Q: A plane carrying several cadets and officers from the United States Air Force Academy in Colorado Springs made a safe emergency landing in the northern New Mexico city of Las Vegas due to ice build-up on the aircraft.

A: Mulberry chief executive Bruno Guillon has stepped down.
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Q: An animal rescue centre in Cumbria says it's struggling to cope with the number of animals needing care.

A: An animal centre says it's struggling to cope.
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Q: Google is buying digital thermostat maker Nest Labs for $3.2 billion as the Internet search company moves deeper into web-connected devices.

A:
A man was after being accused of holding a woman at knifepoint.
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