Six people arrested as part of an investigation into allegations of corruption have been released on bail, Scotland Yard said.
Sun journalists aged 52, 47 and 45, a 39-year-old Ministry of Defence employee and a 36-year-old member of the Armed Forces have been bailed to return in May, while a 39-year-old police officer has been bailed to return on a date in March.
Two other Sun journalists remain in custody over the probe into inappropriate payments to police and public officials.
Rupert Murdoch has reassured staff of his "total commitment" to continue to own and publish The Sun.
In an internal memo to staff at News International, the company that owns The Sun and The Times, chief executive Tom Mockridge said he had had a "personal assurance" from Rupert Murdoch that he plans to continue to own and publish The Sun. It is expected Mr Murdoch will visit staff in London towards the end of the week.
Mr Mockridge also said he had written to the Independent Police Complaints Commission (IPCC) to seek clarification about the process of independent oversight of the police investigation. An IPCC spokesman said: "We await receipt of any letter, and will respond appropriately."
The editor of the newspaper, Dominic Mohan, said he was shocked by the developments but would focus on putting out Monday's edition.
An earlier statement from News Corporation, parent company of News International which owns The Sun and The Times, said its Management and Standards Committee (MSC) had provided information to the Elveden investigation which led to the arrests. It said it had also provided the option of "immediate legal representation" to those arrested.
The National Union of Journalists condemned the arrests and suggested there was now a "witch-hunt" against journalists.
General secretary Michelle Stanistreet said: "Journalists are reeling at seeing five more of their colleagues thrown to the wolves in what many sense to be a witch-hunt. They are furious at what they see as a monumental betrayal on the part of News International."
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