In a possible coup, the Zimbabwe military put the 93-year-old leader of the country, Robert Mugabe, under house arrest Wednesday, effectively ending his 37 years of control. The New York Times reports the apparent military takeover may have been the result of Mugabe's 52-year-old wife, Grace Mugabe, overplaying her hand as she positioned herself to succeed him. Grace Mugabe and her allies might have "gone too far" when they orchestrated the ousting of Vice President Emmerson Mnangagwa just last week. He had close ties to the military and is now seen as the likely new leader of Zimbabwe. Here's what else you need to know about the situation: