A whistleblower at the heart of the Tesco accounting scandal in the UK has described the determination of senior managers to meet budget targets with them ignoring concerns raised by staff who feared they would end up in jail.

Three former Tesco executives are accused of "cooking the books" in a scandal which wiped £2bn(€2.27bn) off the supermarket's total share value and sent "shockwaves" through the stock market.

The trial of three former Tesco executives in the UK over their alleged role in a £326m accounting scandal at the supermarket is due to start.

The trial of three former Tesco executives is due to start on Monday over the £326m accounting scandal at the British supermarket.