Opposition boycotts new Sierra Leone parliament

New MPs were sworn in as Sierra Leone&rsquo;s parliament opened following June&rsquo;s elections, but the main opposition APC party is boycotting government business over alleged fraud.<br /> <br /> Plus, could Ghana become the latest African country to legalise cannabis? President Nana Akufo-Addo has signed off on a bill allowing certain strains of the plant to be grown.<br /> <br /> And we look at how the increase in people moving off the land and to the city in Africa is affecting the continent&rsquo;s dietary health.