Russia threatens sanctions to US ( top us news )

If Russia sells the S-400 missile munition, then a replacement ban are going to be obligatory against Russian capital.
The U.S. lawgiver gave a threat to Russia

In a letter sent to the U.S. State Department, the U.S. legislator, a Democrat party semiconductor diode by legislator Bob Mendez, threatened.

In addition, the letter has been asked to the U.S. State Department for commercialism S-400 to China,
Turkey, India, Asian country, Qatar and alternative countries. The letter has been asked to relinquish an in depth analysis of this.

The legislature analysis Service has ready a report on Russia's potential defense wear down some countries.
The letter was written on the idea of this.

S-400 Russia's advanced missile munition this could be done by destroying and destroying any drone,
aircraft or missile of 402 kilometers away.