Dhaka, June 29 -- Hundreds of protesters gathered in Thailand's capital on Saturday to demand the resignation of Prime Minister Paetongtarn Shinawatra, part of the brewing political turmoil set off by a leaked phone call with former Cambodian Prime Minister Hun Sen.

Paetongtarn faces growing dissatisfaction over her handling of a recent border dispute with Cambodia involving an armed confrontation May 28. One Cambodian soldier was killed in a relatively small, contested area.

The clash set off a string of investigations that could lead to her removal.Protesters held national flags and signs as they occupied parts of the streets around the Victory Monument in central Bangkok.

A huge stage was set up at the foot of the monument as particip...