2/5 stars Sluggish, predictable and almost wilfully devoid of thrills, South Korean action drama Yaksha: Ruthless Operations offers none of the unpredictable or mischievous antics teased by its curious title. Sol Kyung-gu (The Book of Fish) and Park Hae-soo (Squid Game) fail to conjure an ounce of crackling camaraderie as the mismatched partners thrown together in this jet-setting spy caper,...