"They?" Who is "they?" There was no public announcement about 5 unexploded bombs - it was the Wall Street Journal citing an unnamed source, and they very quickly basically retracted the information after they posted the story.
The Daily Mail and other sources just parroted the original WSJ article.
Rumors and conjecture are treated as fact; steer the reader hard for more ratings and hits.Hmm...
I would say the alphabet networks have as much integrity as Bill Clinton on Easter Sunday in 1996 while getting serviced by an intern near the Oval Office.