The number of coronavirus cases in the U.K. has risen to 273 with the biggest jump in a day on Sunday, health authorities said.

The Department of Health said more than 23,000 people were tested so far with a student at Oxford University among the 67 new cases.

Public health hotline traffic shot up by more than a third with 120,000 additional calls in the first week of March, added the department.

Two people have died of the COVID-19 in the U.K., according to official figures.

The British government is expected to announce an emergency action plan next week

Read more: UK: Coronavirus cases rise to 273