Tesco chief warns brands any post-Brexit price hikes need to be 'justified'

Tesco’s chief executive Dave Lewis has warned brands against artificially inflating prices because of the fall in the pound, telling global suppliers price rises need to be “justified”. 
Though agreeing there were inflationary pressures on brands post-Brexit, he urged companies not to increase prices in a bid to win over investors.
“The only thing we would ask of companies that are in that position is they don’t ask UK customers to pay inflated prices in o