In May 1991, a female LTTE cadet blew herself up, killing former Indian Prime Minister Rajiv Gandhi, along with 16 civilians. On 1 May 1993, another Black Tiger assassinated Sri Lankan President Ranasinghe Premadasa and 23 others during a May Day parade. On July 2001, 14 Black Tigers attacked Bandaranaike International Airport, causing an estimated of US$350 million worth of damage to military and civilian aircraft. Tourism in Sri Lanka sharply dropped after the incident.