"The only way to uproot this global threat is to confront the sources and main ideological, financial and promotional roots of terrorism," Qassemi said on Saturday.
He condemned the terrorist attacks in France, Afghanistan and Egypt over the past two days and expressed sympathy with the bereaved families of the victims.
The Iranian spokesperson said the geographical dispersion of such terrorist attacks show that "terrorism is a global problem and has aglobal solution."
An explosion in Egypts coastal city of Alexandria on Saturday killed two people, including a policeman, the Egyptian Interior Ministry said.
PressTV-Explosion kills 2 in Egypts Alexandria
A blast in Egypts coastal city of Alexandria kills at least two people.
The explosion occurred in the district of Roshdi when the head of the Alexandria Security Directorate was passing by. No group has claimed responsibility for the blast yet.
At least five people, including the gunman, were alsokilled after a gunman claiming allegiance to the Daesh terrorist group fired shots and took hostages in southern France on Friday.
PressTV-Three killed in hostage-taking by Daesh in France
At least three people have been killed in a hostage-taking at a supermarket in the southern French city of Trebes.
The incidents occurred at a supermarket in Trebes and the nearby town of Carcassonne.
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Meanwhile, an explosion killed and injured scores of people in the city of Lashkar Gah in Afghanistan's restive south, officials said on Friday.
PressTV-Blast kills at least 14 in southern Afghanistan
An explosion kills and injures scores of people in the city of Lashkar Gah in Afghanistan's restive south, officials say.
"A car bomb blast happened at the entrance gate to the sports stadium in the first Police District of Lashkar Gah city," Helmand province's police spokesman Salam Afghan said.
Helmand governor spokesman Omar Zwak said the blast killed at least 14 people and injured 47 others.
