At least two people have been shot at a US naval base in Millington, Tennessee according to media reports.
It is understood that emergency crews are have responded to an incident at the base's Army National Guard recruiting center.
Multiple ambulances are on the scene and a shelter in place order has been given on the base.
More top news
The military had hoped for a smooth transition from the old leader, but Mugabe looks like he means to stay put.
Self-driving cars could be tested on UK roads as early as 2021 under plans to be unveiled by Chancellor Philip Hammond.
The Prince of Wales visited areas recovering from Hurricane Irma, which battered the British Virgin Islands in September.