For the second time in less than a week, protests have erupted in Nairobi and other major cities in Kenya, bringing businesses to a standstill and causing major disruptions around the country.

A police official said officers killed six people and more than 10 others were taken to hospitals. The official said the six who were killed were shot for disrupting businesses, without elaborating.

Opposition leader Raila Odinga has called for civil disobedience and weekly nationwide protests against President William Ruto’s government and recent tax hikes and rising cost of living.