Ghana's immigration service released a memo stating that Ghana and Togo will be the next targets for Islamist fighters, following high-profile attacks this year in Burkina Faso and Ivory Coast.
The militants said Sunday's raid in Grand Bassam, which killed 18 people, was meant as a warning for countries who have allied with France and its military operations in West Africa.
Four men arrived in a Ford saloon car at a beachside bar around noon on Sunday, according to a waiter at the establishment, before launching the attack that killed 18 people.
This is the third time in recent months that the North African-based group al Qaeda in the Islamic Maghreb has claimed responsibility for an attack on soft targets in West Africa.
After a series of deadly attacks by militants in West Africa, authorities in Senegal reportedly questioned hundreds of people over the weekend.
"I hung up in his face. And it felt good,” Yves Richard told a Montreal radio station on Thursday. His wife was among six Canadians killed in the Friday assault on the capital of Burkina Faso.
Six Canadians were killed on an assault on the capital of Burkina Faso that claimed 29 lives. The family of four and two friends, all from the province of Quebec, were on a humanitarian mission.
Al Qaeda in the Islamic Maghreb has claimed responsibility for the attack, carried out by militants who stormed the Splendid Hotel and a nearby café in the capital of Ouagadougou on Friday, killing 28.
Special forces troops freed around 150 hostages from a hotel in Burkina Faso's capital that was attacked by al Qaeda fighters, but at least two dozen people from 18 countries were killed.
The attack bears resemblance to a November assault by radical Muslim terrorists on a hotel in neighboring Mali.