Bulgaria denies links to exploding pagers in Lebanon

Authorities in Bulgaria have denied involvement in the supply chain of thousands of pagers that detonated on Tuesday in Lebanon in a deadly blow to Hezbollah.

Tuesday's attack, and another on Wednesday involving exploding hand-held radios used by Hezbollah, together killed 37 people and wounded about 3,000 in Lebanon.

How or when the pagers were weaponized and remotely detonated remains a public mystery and the hunt for answers has involved Bulgaria, Taiwan, Norway and Romania.

Security sources said Israel was responsible for the pager explosions that raised the stakes in a growing conflict between the two sides. Israel has not directly commented on the attacks.

Bulgaria became a focal point for investigations on Thursday after local media reported that Sofia-based Norta Global Ltd was involved in selling the pagers.

But Bulgaria's state security...