A man was killed and another blew himself up during a police raid in the city of Casablanca, officials have said.
In a statement on Tuesday, police said the pair died at dawn as they were being chased by security forces in el Fida district.
They said both were carrying explosives.
"One of the two was hit by bullets and died from his injuries while the other blew himself up just as police officers were in the process of arresting him," police said.
A man carrying explosives was killed in that attack. An accomplice and three clients in the cafe were also injured.
Thirty one people have been arrested since the March 11 attack.
According to officials, Moroccan police were pursuing three men on suspicion of involvement in the March 11 internet cafe blast.
One of the three bombers is the brother of the man who blew himself up in that attack, Al Jazeera's correspondent's in Casablanca reports.
The second bomber was shot by the police while he was attempting to run away, and the third managed to escape, he said.
The police are still looking for the third bomber.
The explosion rocked a residential building in Casablanca's Farah neighbourhood, he said.
Moroccan security forces have confiscated the cameras of photographers caught taking pictures of the site of the explosion.
Güncelleme Tarihi: 20 Eylül 2018, 18:16