The Leveson inquiry will hear today from Detective Chief Inspector Brendan Gilmour. DCI Gilmour worked on the Metropolitan Police's Operation Glade, which looks into police corruption.
The temporary Assistant Chief Constable of Devon and Cornwall police, Russell Middleton will also give evidence. He was involved in Operation Reproof about an officer allegedly supplying private investigators with information from the police national computer.
More top news
The Syrian city of Raqqa has been liberated from Islamic State militants, a senior commander for a US-backed force has said.
Paranoid schizophrenic Jeffrey Barry stabbed Kamil Ahmad before removing his penis in the attack at his flat in Bristol last year.
The latest addition to the royal family will be a younger brother or sister for Prince George and Princess Charlotte.