more than a thousand public school has been shut down.

 The terrorist attack threats and the United States in Los Angeles more than a thousand public school has been shut down.
This has caused more than seven million students have been affected students. Social networking threats from terrorist attacks is not an alternative to turning off saying US officials said the school.
However, that is not explained who gave threatened. Threats after news had been searched in every school in Los Angeles.

Two weeks after the terrorist attacks in the United States has such a threat in California in the United States has been adopted in high-security sartakarta.
Since the threats terrified students and parents have been suggested to endure.