2. The student, who wounded two classmates, killed a teacher and then killed himself at a Nevada middle school, was 12 years old. Authorities say they are withholding the name out to respect for his family. They did say the weapon used in the shooting was brought from his home.

3. Apple unveiled a new thinner lighter tablet called the ¡°iPad Air¡± and new Macs ahead of the holiday shopping season. The new iPad Air will start at 499 dollars, while the Macbook Pro¡¯s will be 200 dollars lower than the previous version.

4. And Beijing is trying to tame its infamous smog by preparing emergency measures such as factory shutdown and traffic limits. The city government says the new rules will take effect when pollution levels are high and they don¡¯t apply to any other part of China.