In July you may remember hearing about Thai and Khmer troops at the border because of a dispute about land. It seems like this issue has been around for ages, maybe almost 1000 years.
In the last few days people have been talking about it more. Some links if you want to find out more:
KI Media has this: "Thailand intent to go to war with Cambodia?" and earlier on this one.
This blog brings together border news from different sources.
Some Cambodian news online (links).