KEY POINTS
  • Alastair Newton, director of Alavan Business Advisory and a former British diplomat, predicted more retaliatory actions by Iran this year.
  • "I actually think this (Iran) is going to be a more important issue for investors this year than China-U.S.," he said.
  • On protests in Iran, Newton said "there should be no doubt ... that authorities will crack down if they feel that the regime is under serious threat."
Protesters hold up a damaged U.S. flag and anti-USA banners during a demonstration following the U.S. airstrike in Iraq which killed a top Iranian commander, in Tehran, Iran, on Friday, Jan. 3, 2020.

The U.S.-China trade fight dominated investors' attention for much of 2019 — but that will likely get overshadowed by tensions between the U.S. and Iran this year, a political risk consultant predicted Monday.

"I actually think this (Iran) is going to be a more important issue for investors this year than China-U.S.," Alastair Newton, director of Alavan Business Advisory and a former British diplomat, told CNBC's "Squawk Box Asia."