Both attacks, he said, suggesting warning signs were ignored and communication among intelligence and law enforcement agencies was flawed.

CNN: FBI did its job in Tsarnaev probe, Obama says

Brand and communication consultants are warning that the IPL brand is in "choppy waters", and the league needs a "stronger game plan to rejuvenate the brand".

BBC: Why is the Indian Premier League floundering?

The intelligence official, who could also not be named for security reasons, said the launches came as no surprise because North Korea had issued a warning to mariners to avoid an area in the Sea of Japan at certain times between June 24 and July 9 because of a "military firing exercise, " according to a U.S. military communication about the warning provided to CNN.

CNN: Report: North Korea test fires four missiles