Gambia orders female workers 'to cover hair'

President Jammeh has ruled for 21 years

The Gambia's government has banned its female employees from leaving their hair uncovered at work, a leaked memo quoted by private newspapers says.

Women should use a "head tie and neatly wrap their hair", the memo said, without giving reasons for the ban.

Last month, The Gambia's President Yahya Jammeh declared the Muslim-majority country an Islamic republic.