USA military convoys usually undertake missions together with Afghan security forces.
There was also no claim of responsibility for the attack in Logar, but Salleh accused the Taliban of planting the roadside bomb.
In Nangarhar province, in a so-called green-on-blue insider attack, a policeman turned his rifle on his sleeping colleagues at an outpost during the night, killing five of them in the district of Ghanikhil.
He added that after the shootings, the attacker, whose name was only given as Nasratullah, collected his victims' firearms and fled the scene.
Nangarhar is where Islamic State militants stormed the provincial headquarters of the state-run Ration Television of Afghanistan, or RTA, earlier this week.
Loyalists of the Syria-based terrorist group operate out of several remote districts in the province, which borders Pakistan.
Crude prices rise in expectation of Aramco supply cut
Meanwhile, Brent crude oil, the global benchmark, is up 1.9% at $49.89 per barrel on Wednesday, and has lost 12.4% this year. Since a low point in May 2016, USA producers have added 387 oil rigs, or about 123 per cent, Goldman Sachs said.
Speeding vehicle kills 1, injures 10 in US
Navy records show that in 2013 he spent two months at a naval brig in Charleston, South Carolina, but didn't indicate the reason. On Thursday evening, police were at an apartment where Rojas stayed with his mother in the Mount Eden section of the Bronx.
Trump to Muir: Special counsel 'hurts our country terribly'
Asked if Mueller's appointment would preempt his own request for Comey information, the Iowa Republican replied, "I don't know". And House and Senate investigators had invited Comey back to Congress to explain what happened - although Utah Rep.