activists or government. u.s. officials say the american soldier who allegedly shot and killed 16 afghan civilians was acting alone. the unidentified staff sergeant turn himself in after the shootings. officials have not said whether he had mental health issues or what his motive may have been. meanwhile, the taliban have issued a statement vowing to take revenge against, quote, american invaders and savage murders. security officials and medical sources say israel launched a new round of air strikes in gaza early on monday. they claim at least 30 people were injured. at least 18 people have been killed in israeli air strikes since friday. israel says it is responding to more than 100 rocket attacks from gaza. those are the headlines from cnn. i m monita rajpal. world business today starts right now. good morning from cnn london, i m charles hodson. good afternoon from cnn hong kong, i m andrew stevens. welcome to world business today. our top stories this morning