A fourth man's been arrested in the investigation into the killing of former IRA member Kevin McGuigan.
A 39-year-old, detained in the Greater Belfast area today, is being questioned over last week's shooting.
Three others, aged 41, 44 and 53, remain in custody.
Two guns were found earlier today as part of PSNI investigations.
Meanwhile, hundreds of mourners packed into a church in east Belfast for Mr McGuigan's funeral this afternoon.