Singer Steven Tyler ordered Donald Trump to stop playing their Aerosmith songs at rallies.
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Donald Trump became the first former US President to have their mug shot taken.
One billion people logged into Facebook for the first time, surpassing a major milestone.
Astronomers announced the discovery of an Earth-like planet named Proxima b.
Nurse William Pooley, who was treating patients in Sierra Leone, flew to London for emergency treatment after contracting Ebola.
Pavel Durov, founder of the encrypted messaging app Telegram, was arrested in France for alleged involvement in organized crime.
