The Zambian opposition leader who was runner-up in this month's disputed presidential election was taken into custody Thursday over treason allegations, police said.

The Zambian opposition leader who was runner-up in this month's disputed presidential election was taken into custody Thursday over treason allegations, police said.

The Zambian opposition leader who was runner-up in this month's disputed presidential election surrendered to police on Thursday after two weeks in hiding following a summons over…