A 60-year-old man gunned down while walking to church may be the suspect's fourth victim.
General Chiwenga had said the army could intervene to halt a purge within the governing party.
The US attorney general looks into "alleged unlawful dealings related to the Clinton Foundation".
One senator says they are concerned the "volatile" US president could launch a nuclear strike.
Monitors saw "thousands of emaciated men, women and children piled on top of each other" in detention.
Visiting the region, Iran's president finds private buildings fared better than state housing.
It took 40 hours of game play or an extra payment to unlock Darth Vader and Luke Skywalker, among others.
Yemen's dire humanitarian situation could be worsened by the closure of rebel-controlled ports.
Backers of President Mugabe's wife tell the army chief to stay in barracks after takeover warning.
Norway is accused of violating the Paris climate change agreement by issuing oil exploration licences.