Zambia's Foreign Minister Harry Kalaba has announced his resignation from government, citing failure to tackle corruption. Kalaba said he could not continue in government and watch those expected to end corruption in the forefront of looting public resources. <br/><br/>Kalaba said he will remain as Member of Parliament of the ruling party. He becomes the third minister to leave President Edgar Lungu's government after the firing of two other ministers.<br/>'<br/>Last week, Lungu fired Minister of National Development Planning Lucky Mulusa. Former Minister of Information and Broadcasting Corporation Chishimba Kambwili was fired in November last year.