Osama bin Laden's son Hamza has issued chilling messages aimed at the Saudi royal family.  The 28-year-old, labelled the 'poster boy' for al Qaeda, is reportedly poised to lead the terror organisation in a bid to avenge his father's death.

The first video message from Hamza released a year ago hailed lone-wolf terror attacks and called for an uprising in the kingdom, according to AlMonitor.  Hamza has been a prominent figure in several propaganda videos for al Qaeda, even as a young boy.

He was filmed calling for terrorist attacks on London, Washington and Paris in an audio message released by the organization in 2015.  He has recorded four of theses types of messages in the last two years. 

In January, Hamza was placed on a State Department terror watch list and named a 'specially designated global terrorist' - the same classification Osama had.

Read more: Daily Mail