Former Vice President Namadi Sambo was on a visit to the Presidential Villa, Abuja, on Tuesday.
Sambo was vice president to former President Goodluck Jonathan.
The former vice president met with President Muhammadu Buhari and Vice President Yemi Osinbajo.
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The purpose of his visit was however unknown.
It would be recalled that Sambo had paid a similar visits to the Presidential Villa in the past.
In May last year, he met with Osinbajo, in what he told State House correspondents, was a familiarisation visit.
He did not disclose what was discussed at the meeting.
