Draw Media
The HPG said in a statement on Monday the Turkish military bombarded the Zap region heavily and tried to raid the Brindaran cave in Zap but were blocked by the HPG forces. The group said eight Turkish soldiers were killed in the operation on Monday.
The Turkish military did not provide information on casualties but the defense minister said the operation was "continuing successfully as planned,” according to Anadolu Agency.
People’s Defense Forces (HPG) also mentioned that “The occupying Turkish army has been carrying out intense ground and aerial attacks against Medya Defense Zones for months. The Turkish offensive escalated in the Avaşîn and Zap regions, especially between April 14 and 17. 
A new invasion attack was launched by the Turkish army in the Avaşin and Zap regions on the evening of April 17.”
The PKK media also published that on the same day of the KRG prime minister's visit, Masrour Barzani, to meet with Turkey’s president Rajab Taib Erdogan and the director of Turkey’s National Intelligence Agency (MİT) Hakan Fidan, Turkey launched a large-scale attack on zap, Matina, Avashin and Kurazharo areas, however today Turkey officially announced the start of the operation. 
On March 26, (Komalên Jinên Kurdistanê), KJK warned that the KDP and the State of Turkey had planned to launch a new attack on PKK guerrillas on April 15, and demanded that everyone have a role to prevent the conspiracy.