French-Moroccan photographer Leila Alaoui has died from injuries sustained in the Burkina Faso hotel attack, taking the death toll to 30.
Ms Alaoui was taken to hospital but suffered a heart attack, human rights group Amnesty International said.
She was carrying out work "focusing on women's rights" for the group.
The assault at a hotel in the capital, Ouagadougou, was claimed by al-Qaeda in the Islamic Maghreb (AQIM).
In a statement. Amnesty said Ms Alaoui had been shot twice in the attack, in the leg and thorax, and was believed to have been in a stable condition following an operation in hospital.
Mahamadi Ouedraogo, a driver working for Amnesty, was also killed in Friday's attack.
Both were parked outside the Cappucino cafe, opposite the luxury Splendid Hotel, one of the militants' targets, the group said.
Many of the victims of the assault were foreigners. Among those known to have died are:
- Six Canadians who were doing humanitarian work in the country
- Two Swiss citizens who had been in the cafe which came under attack
- Two French nationals, with one more injured, according to France's government
- Five Burkinabe citizens
- One 67-year-old Dutch volunteer, according to the Dutch foreign ministry
- A US missionary, Mike Riddering, whose death was announced by his wife Amy on Facebook and later confirmed by the US State Department
At least three attackers died in the assaults, officials say.
It was AQIM's first attack in Burkina Faso. The group is based in the Sahara Desert between Mali, Niger and Algeria.