Speaker Dr Shirin Sharmin Chaudhury, also the Chairperson of Commonwealth Parliamentary Association (CPA) executive committee, left Dhaka to London on Tuesday.AM Motaher Hossen, director of parliament Public relation-1, confirming the news to Jago News.While staying in London speaker will preside over the CPA executive committee meeting, Motaher said.The meeting will discuss the preparations for CPA 62 conference which will render in Dhaka on September.The speaker is schedule to return home on May 1.