July 4 (Reuters) - Columbus Gold Corp CGT.TO
* Columbus Gold announces interim corporate secretary
* Announces appointment of Andrew Yau, current CFO of Columbus, to position of interim corporate secretary, following departure of Jenna Virk
* Andrew Yau appointed to position of interim corporate secretary, on departure of Virk from positions of corporate secretary and VP, Legal
* Columbus has commenced a search for Virk's successor Source text for Eikon: Further company coverage: CGT.TO