It was a serious problem with Apollo Thirteen.

VOA: special.2009.07.22

It was the most serious clash on the border since the Lebanon War four years ago, when Israel battled the Islamic guerrilla group Hezbollah.

VOA: standard.2010.08.03

He was distracted, he was going too fast, and it ended up causing one death and serious trauma and tragedy for the rest of the community."

VOA: standard.2010.06.24

It was the most serious border clash since the Lebanon War four years ago.

VOA: standard.2010.08.05