Here is a look back at some of the trials and tribulations of the world's most popular virtual currency

Jaish al Adl responsible for spate of attacks on Iranian security forces in recent years

Late Swiss chemist famously learned of LSD's psychedelic effects after inadvertently taking small dose in his lab

Desperate lack of energy, sanitation infrastructure mean around 100 million litres of sewage are pumped in sea daily

Ankara says efforts made to whitewash murder

Sprint star’s agent forwards confirmation, coach says he knows nothing about it

Swiss tennis star says he dragged the pain for about three months

Ferrari driver ends five-year drought as Hamilton finishes third

The row comes ahead of what is expected to be a second summit between Trump and Putin this year

'This is larger than we might know', says Police Chief James Craig