International yacht sails under tight security in Indonesia after bombing

A tight security has been imposed for the upcoming international sails of yachts and ships in Manadoof North Sulawesi, Indonesia on Aug.12-20, the committee of the event said here Thursday. Indonesia has raised up security alert to the top level in Jakarta and other cities potential for terrorist attacks following the suicide bombings in the two luxurious hotels in Jakarta on July 17, which upset everyone.