Khalilzad described these steps as positive, adding that the US president had reportedly agreed to delay a previously threatened escalation.
Further casualties were reported in Khogyani district, where one person was killed and two others injured.
Investigators further allege that the victims were either shot by Roberts-Smith himself or killed by subordinates acting on his orders and in his presence.
The killings come against the backdrop of a rapidly intensifying conflict that began with large-scale strikes in late February and has since expanded across multiple fronts.
The gathering in California follows a series of protests held last week by Afghan communities in Europe, highlighting growing concern among the diaspora over the deteriorating...