An American killed in the attack on a hotel and cafe in Burkina Faso has been identified as Michael James Riddering, State Department spokesman John Kirby said in a statement.
Mr Kirby added that the US embassy were in contact with local authorities and was working to assist American citizens.
The assault in the capital Ouagadougou by suspected Islamist militants left at least 28 people dead from around 18 countries.
Six Canadians were among the 23 killed in the Burkina Faso attack on a hotel in the capital city, Canada's prime minister said.
Also confirmed dead in the hotel siege are:
- one Dutch national
- two Swiss citizens
- and two French nationals
A Dutch national was also among those killed in the Burkina Faso hotel siege, according to the foreign ministry.
At least 23 people of 18 different nationalities were killed in an attack by Islamist militants at a hotel in Burkina Faso's capital.
Two Swiss nationals were among those killed in the Burkina Faso hotel siege, the Swiss foreign ministry has said.
At least twenty-three people of 18 different nationalities have been killed in an attack by Islamist militants at a hotel in Burkina Faso's capital.
Terrorists appeared to deliberate targeted westerners in a bloody attack on a Burkina Faso hotel popular with foreigners and a nearby cafe, witnesses have said.
Report by ITV News correspondent Martha Fairlie
"They started to shoot at everyone," one woman who was in the cafe during the attack told ITV News.
"We dropped to the ground and as soon as anyone raised their heads they fired straight at them immediately.
We had to play dead. They shook people by the foot to see if they were alive or not. If they were alive, they shot."
Two French nationals were killed in the Burkina Faso hotel siege, a French Foreign Ministry official told Reuters.
They were among 23 dead killed in the attack on the hotel by Islamist militants in Ouagadougou, the country's capital.
The foreign secretary has condemned the attack on the Burkina Faso hotel which left at least 23 dead.
British nationals in Burkina Faso have been advised to avoid the area where the attack took place, follow the instructions of local security authorities and monitor FCO travel advice.
The Al-Qaeda linked Islamic Maghreb (AQIM) militant group has claimed responsibility for an attack at a hotel in Burkina Faso in which at least 23 people died.
Four attackers, including two women, are said to have been killed during a security operation by local and French forces which freed 126 hostages.
Two Austrian citizens, a doctor and his wife, have been kidnapped in northern Burkina Faso, the country's security ministry has said.
A fourth suspected Islamist militant has been killed during an attack at a hotel in Burkina Faso's capital Ouagadougou.
Two of the assailants are believed to have women, according a gendarme officer.
At least 23 people of 18 different nationalities are believed to have died and 126 hostages were freed during an operation by security forces at the four-star Splendid Hotel.