A small rocket that landed on a military base in northern Iraq may have contained a mustard agent, a US military official said.
The pilot of the fighter jet ejected safely from the aircraft and was rescued.
The Senate voted 71 to 27 to kill legislation that would have stopped the sale.
The knife-wielding man was shot and slightly wounded before he reached the embassy, an Israeli official said.
The vessel sank when the river bank collapsed and a huge slab of mud fell on it, cops said.
Vietnam has some of the world's toughest drug laws, with the trading or trafficking of at least 100 grams of heroin punishable by death.
The worst hit was Garut district, where 16 people were found dead and eight others are still missing after two rivers overflowed Tuesday night.
The flight was a show of force by the US and its commitment to preserve the security of the region.
Thailand jailed Swiss national Xavier Justo in 2015 for trying to extort Petrosaudi, a joint venture partner of 1MDB.
A bipartisan group of US senators introduced a joint resolution seeking to block the US$1.15-billion arms deal.