The latest border dispute involved an armed confrontation May 28 in a relatively small contested territory in which one Cambodian soldier was killed.

Thailand's Ministry of Foreign Affairs announced Thursday that it will hand a letter of protest to Cambodia's government after a call between the two countries was allegedly leaked by a high-profile Cambodian official.

BANGKOK (Reuters) -Thai Prime Minister Paetongtarn Shinawatra on Thursday apologised after a phone conversation between her and former Cambodian Prime Minster Hun Sen was leaked. Paetongtarn said the call was made from her personal phone and she did not know the conversation would be recorded and made public.