South Korea’s secret service has evidence of the possible use of North Korean weapons by the militant Palestinian organization Hamas, according to media reports. The South Korean newspaper JoongAng Daily reported on Tuesday that the National Intelligence Service (NIS) published a photo of an F-7 rocket-propelled grenade manufactured in North Korea that was used by Hamas. The markings on the fuse are in Korean. There have long been reports of a possible arms deal between Hamas and North Korea. Pyongyang has denied that North Korean weapons were used in the attack by Hamas and other extremist gr…