<![CDATA[The Delhi police on Sunday arrested an airline staffer for making a hoax call that delayed several Mumbai-bound flights at the IGI airport. The police said that the call warning of a bomb aboard a Mumbai flight, received at Indigo office at about 8.15 a.m. on May 2, was found to be a hoax.The staff wanted to teach the airlines a lesson. The staffer has confessed to his crime, the police said.]]>