Militants in Afghanistan have launched an attack on a government delegation visiting the site where a US soldier killed 16 civilians.
Two of Afghan President Hamid Karzai's brothers and several top security officials were in the delegation in Panjwai in Kandahar province.
The US soldier said to have carried out Sunday's attacks is under arrest.
The unnamed 38-year-old staff sergeant is being held at an undisclosed location.
Anti-American sentiment is already high in Afghanistan after soldiers burned some copies of the Koran at a Nato base in Kabul last month, sparking deadly riots across the country.
On Tuesday morning, some 600 students took part in a rally in the eastern city of Jalalabad, condemning the Kandahar attack and chanting "Death to America! Death to Obama!".
Anchor Marco Werman speaks with Nick Dowling, a former National Security Council official who now advises the U-S on cultural-sensitivity issues in Afghanistan.