Two men have been arrested by detectives investigating the murder of 46-year-old Kevin Kearney in north Belfast last month.
The suspects, aged 22 and 34, were detained yesterday morning and were taken to Antrim police station for questioning.
The PSNI said: "The men will also be interviewed about an incident in a social club in Ardoyne on October 14 in which dissident republican threats were made to a number of individuals."
Mr Kearney's body was found in a lake at Alexandra Park a day after he had been shot on October 8. Another man (33) was arrested and then released unconditionally on Tuesday.