http://www.bbc.com/news/world-africa-41507337Several Nigerien soldiers are also said to have died in the attack.
US Africa Command said the patrol had come under "hostile fire" and was working to confirm the details.
The US army has been providing training to Niger's army to help combat Islamist militants in the region, including the North African branch of al-Qaeda.
We need the borders secure, some how the military is every where else!