back now with washington on edge as police prepare for a rally tomorrow at the u.s. capitol by supporters of people arrested in the january 6 capitol riot garrett haake has late details. reporter: capitol hill on high alert tonight, barricaded behind a seven-foot-tall steel fence. every available police officer on duty. this in advance of a saturday rally expected to draw roughly 700 people to demonstrate on behalf of rioters arrested in the aftermath of january 6. organizer matt braynard calls them political prisoners. we believe the reason these people are being persecuted isn t because of what they did, but because of what they believe, and that s wrong. reporter: no elected officials are expected to speak at the rally, but two republican congressional candidates will. capitol police chief tom manger telling reporters tonight he expects the event to be peaceful. i m wondering then if the enhanced security posture, the fence, the full activation of these officers is based on
an impending isis attack about a white toyota corolla, a car common in kabul, was wrong. it comes after a new york times investigation raised questions about whether the u.s. actually hit an isis target, including this video showing one of the victims, 43-year-old zemari ahmadi, an engineer who worked for a u.s. aid group, putting water canisters, not bombs inside his white toyota before the drone strike the defense secretary has ordered a review a defense official told us it could lead to someone being fired for this deadly mistake. lester courtney kube, thank you. now to an international feud hitting a boiling point tonight. france has suddenly recalled its ambassadors to both the u.s. and australia in a spat over nuclear submarines andrea mitchell joins us andrea, what s this fight all about? reporter: lester, this is an unprecedented breach between france and the u.s., the kind of diplomatic slap washington expects from vladimir putin, but never from america s oldest ally.
courtney kube has that story. reporter: tonight a stunning and embarrassing reversal by the u.s. military, acknowledging this drone strike intended to target a potential isis bomber actually killed ten innocent afghan civilians, including seven children i m here today to set the record straight and acknowledge our mistakes. reporter: the pentagon announcing results of its investigation into the august 29th strike, which was launched while american forces were on edge, days after the isis terror attack at the kabul airport. i offer my sincere apology. as a combatant commander, i am fully responsible for this strike and this tragic outcome. reporter: u.s. military leaders initially defended the strike joint chiefs chairman mark milley claiming it stopped another imminent attack on americans at that airport. at this point we think the procedures were correctly followed and it was righteous strike. reporter: but today the pentagon says the intelligence i received about a