Afghanistan, July 25 -- Thailand and Cambodia exchanged heavy artillery fire for a second day, killing 16, as border disputes reignited tensions despite international ceasefire calls.

Heavy artillery clashes between Thailand and Cambodia continued for a second day on Friday, despite international calls for a ceasefire.

According to Reuters, fighting broke out along the border provinces of Ubon Ratchathani and Surin, with Cambodian forces reportedly using Russian-made BM-21 rocket systems.

Thai military officials confirmed that both sides exchanged heavy shelling, leaving at least 16 people dead in what is now the most intense conflict between the two nations in over a decade.

The disputed border, long a source of tension, has seen spora...