AFRIN, SYRIA - MARCH 19: Damaged buildings are seen after a bomb planted by YPG/PKK terrorists exploded in a four-story building in Afrin town center in Syria on March 19, 2018. Seven civilians and four members of the Free Syrian Army (FSA) were killed in the attack. ( Halil Fidan - Anadolu Agency )
AFRIN, SYRIA - MARCH 19: Damaged buildings are seen after a bomb planted by YPG/PKK terrorists exploded in a four-story building in Afrin town center in Syria on March 19, 2018. Seven civilians and four members of the Free Syrian Army (FSA) were killed in the attack. ( Halil Fidan - Anadolu Agency )
AFRIN, SYRIA - MARCH 19: Damaged buildings are seen after a bomb planted by YPG/PKK terrorists exploded in a four-story building in Afrin town center in Syria on March 19, 2018. Seven civilians and four members of the Free Syrian Army (FSA) were killed in the attack. ( Halil Fidan - Anadolu Agency )
AFRIN, SYRIA - MARCH 19: Damaged buildings are seen after a bomb planted by YPG/PKK terrorists exploded in a four-story building in Afrin town center in Syria on March 19, 2018. Seven civilians and four members of the Free Syrian Army (FSA) were killed in the attack. ( Halil Fidan - Anadolu Agency )
AFRIN, SYRIA - MARCH 19: Damaged buildings are seen after a bomb planted by YPG/PKK terrorists exploded in a four-story building in Afrin town center in Syria on March 19, 2018. Seven civilians and four members of the Free Syrian Army (FSA) were killed in the attack. ( Halil Fidan - Anadolu Agency )
AFRIN, SYRIA - MARCH 19: Damaged buildings are seen after a bomb planted by YPG/PKK terrorists exploded in a four-story building in Afrin town center in Syria on March 19, 2018. Seven civilians and four members of the Free Syrian Army (FSA) were killed in the attack. ( Halil Fidan - Anadolu Agency )
AFRIN, SYRIA - MARCH 19: Damaged buildings are seen after a bomb planted by YPG/PKK terrorists exploded in a four-story building in Afrin town center in Syria on March 19, 2018. Seven civilians and four members of the Free Syrian Army (FSA) were killed in the attack. ( Halil Fidan - Anadolu Agency )
AFRIN, SYRIA - MARCH 19: Damaged buildings are seen after a bomb planted by YPG/PKK terrorists exploded in a four-story building in Afrin town center in Syria on March 19, 2018. Seven civilians and four members of the Free Syrian Army (FSA) were killed in the attack. ( Halil Fidan - Anadolu Agency )
AFRIN, SYRIA - MARCH 19: Damaged buildings are seen after a bomb planted by YPG/PKK terrorists exploded in a four-story building in Afrin town center in Syria on March 19, 2018. Seven civilians and four members of the Free Syrian Army (FSA) were killed in the attack. ( Halil Fidan - Anadolu Agency )
AFRIN, SYRIA - MARCH 19: Damaged buildings are seen after a bomb planted by YPG/PKK terrorists exploded in a four-story building in Afrin town center in Syria on March 19, 2018. Seven civilians and four members of the Free Syrian Army (FSA) were killed in the attack. ( Halil Fidan - Anadolu Agency )