The daughter of Tyrone gaelic football manager Mickey Harte was strangled, a post-mortem has revealed.
Michaela McAreavey was found dead in her bathtub at the four-star Legends Hotel in Mauritius during her honeymoon.
The 27-year-old Irish woman had married John McAreavey, a member of Down's gaelic football team, on 30 December. He is not a suspect.
Police in Mauritius are questioning 10 people on Tuesday.
They said that they are examining CCTV footage from the complex.
An official from the Irish Embassy in Pretoria, South Africa, is to arrive on Tuesday to assist Mr McAreavey. BBC News
