The prospect of Scotland becoming independent is creating "massive uncertainty" for businesses, the head of travel firm Thomas Cook has said.
Harriet Green also told the Huffington Post the possibility of a referendum on Britain's EU membership was "unsettling" for firms.
"There are two political uncertainties that are most unsettling for business. The first is the Scottish referendum and the second is the European referendum. Both create massive uncertainty.
More top news
Questions on Russia and Syria are sure to dominate Defence Secretary Michael Fallon's meeting with his US counterpart Ash Carter.
Smoking could kill two million Chinese in 2030 with the country facing a "growing epidemic of premature death from tobacco".
A great-great-great-grandmother has become an unlikely star at the age of 93 after her grandson shared a video of her dancing to rap music.