General David M. Rodriguez, commanding general of US Army Forces Command, says the shooting of Afghan civilians was a "tragedy" and that the military would hold people accountable.
He was speaking at Joint Base Lewis-McChord, where Army Staff Sergeant Bales was based.
More top news
The 67-year-old is the most senior Roman Catholic cleric in the world to be convicted of covering up child sex abuse.
Mr Trump said Kim Jong Un had not met unspecified “conditions” for the summit.
Lava has destroyed a building near the plant in Hawaii.