Why is changing Chad's constitution controversial?

Vote counting in Chad is still underway after polls closed on Sunday in what was seen as a controversial referendum, on a new constitution. Provisional results are expected to be announced on the 24th of December, with the Supreme Court due to validate them four days later. So why was it seen as controversial? Also why females in Malawi are among the most vulnerable, after cyclone Freddy destroyed their farms. Mothers are turning to desperate measures to support their families.And we meet the director of Nigerian film 'Mami Wata', which has been submitted for an Oscar nomination!