The Speaker of Ethiopia's Lower House of Parliament announced his resignation without giving any reason on Monday. <br/><br/>Abadula Gemeda was the Speaker of the House of People's Representatives from 2010 and was previously army chief of staff and president of the country's most-populous region, Oromia. <br/><br/>In a press conference Abadula said he submitted a letter of resignation to the House of People's Representatives and the concerned body to quit his job as the speaker of the House. <br/><br/>He would disclose the precise reasons for his departure once his resignation is accepted.