Here are two sentences:

Russia had closed checkpoints on parts of the border with China and Mongolia until June 4 , Itar-Tass news agency said .

Russia has closed dozens of checkpoints on the border with China and Mongolia , which has also reported SARS cases , until June 4 , Itar-Tass news agency said .
Choose your answer: are the two sentences saying the same thing?
Choose your answer from: [-] no [-] yes
no