Choose from options: Determine if the sentence is true based on the text below:
the suicide bombing involved a bomb vest

Former Prime Minister Rafik Hariri, also a prominent anti-Syria political figure, was killed in a suicide bombing in February last year, which led to rising anti-Syrian waves and the withdrawal of Syrian troops from Lebanon.
OPT:
*Yes;
*It's impossible to say;
*No;
It's impossible to say