Johannesburg - Hawks head Lieutenant General Godfrey Lebeya has welcomed the arrest of six suspects for alleged fraud and corruption related to the awarding of tenders.

The six were arrested on Tuesday following a project driven investigation by the Hawks’ Serious Corruption Investigation Unit Six and the Tactical Response Team.

The six are between the ages of 39 and 50.

Hawks spokesperson Brigadier Hangwani Mulaudzi said the six were arrested in Johannesburg, Bloemfontein and Kimberley.

"The arrest of the suspects follows allegations of gross irregularities in the awarding of various infrastructure tenders without following due processes between 2013 to 2016 at the Northern Cape Department of Health.