Why Mozambique’s election has sparked weeks of protests and a violent crackdown by police

Thousands protested in Mozambique’s capital on Thursday and security forces responded by firing tear gas and rubber bullets, as weeks of post-election unrest continued in the southern African country.

The protests were sparked by a vote last month that will keep the ruling party in power for more than a half-century amid allegations of rigging.

Opposition parties and many citizens have rejected the results of the Oct. 9 presidential…