Saturday morning proved to be tough start as the Airport Authorities recieved threat calls. However, the firt threat call was received by Air India's call centre in Mumbai (Thane) and the second in Delhi. The call recieved in Mumbai was around 7.10pm on Friday.

The Mumbai Airport control room was alerted when the officials from Air India call centre alerted Mumbai Airport Officials about the threat call. According to senior officials the caller claimed to be calling from Dubai and said he was Dawood Ibrahim's brother. "He called and told that there would be an explosion in the Delhi airport and mentioned specific flights that would be hijacked and disconnected the call. This call was recieved at around 7.10am after which the city airport control room was alerted," said a Senior Airport Official.