It is to throw us of the sent, suicide bomber, remote detonated. Israel says it was Hizbullah and al-Quds, everyone else said al-Qaida they even claimed it. Simply jack in Mexico Los Zetas. It is the new MO. It looks amateur but hard to detect. Israel foils a lot of attacks, Hizbullah has been heavily infiltrate by Mossad and the CIA.
Austrian chancellor: Austria and Germany will allow migrants entry (Reuters)
from the article: Bulgaria: Burgas bombers are living in Lebanon