Tanzanian opposition accuses police of killing nine during protests

Unrest grows as John Magufuli looks on course for second presidential term

Opposition leaders in Tanzania have accused police of shooting nine people dead during protests against alleged rigging on the eve of elections in which John Magufuli, one of Africa's most controversial leaders, could win a second term as president.

The unrest broke out overnight in the semi-autonomous island region of Zanzibar, an important tourist destination.