A senior executive at the Mirror newspaper has been arrested on suspicion of phone hacking.
Agenda editor Lee Harpin was arrested at the newspaper's offices in London's Canary Wharf on suspicion of intercepting telephone voicemails at Mirror Group Newspapers.
Harpin, who previously served as head of news for Trinity Mirror's Sunday People and Sunday Mirror, is the fifth person to be arrested under the Operation Golding investigation into alleged phone hacking at Trinity Mirror.
He currently remains in police custody for questioning.
Chief executive Simon Fox told staff in an email: "I can confirm that an employee was arrested today by officers from Operation Golding.
"It is inevitable that there will news coverage and media speculation around this, so I wanted to ensure you heard it from us."