Other major live events Walker has anchored include the truck terrorist attacks in Nice, France and the Berlin Christmas market in 2016, the 2017 La Rambla van attack in Barcelona, the attempted coup in Turkey in 2016, the 2015 deaths of Singapore's founding father Lee Kuan Yew and Saudi Arabia's King Abdullah, the death of Ariel Sharon, the South Korea Sewol ferry disaster, the historic double canonization of John XXIII and John Paul II, the search for missing Malaysia Airlines Flight 370 and the referendum in Crimea, which led to Russia's annexation of the Ukrainian region. She was also live on the air as security forces stormed Kiev's Independence Square, which ultimately led to the crisis in Ukraine. In 2014, Walker led the network's initial coverage of the Ottawa shootings at the Canadian Parliament which was simulcast on CNN and CNN international. Walker was also nominated for an Emmy award for her breaking news coverage of the Manchester Arena bombing attack during an Ariana Grande concert in 2017.