A subsidiary of Hong Kong conglomerate CK Hutchison Holdings has expanded international arbitration claims against Panama, alleging damages have “escalated beyond US$2 billion” in what it called an “illegal takeover” of ports and property.The expanded claims, announced on Tuesday local time by the Panama Ports Company (PPC), part of Hong Kong tycoon Li Ka-shing’s family-owned conglomerate, came a month after authorities took control of terminals at the ports of Balboa and Cristóbal near the...