From the looks of his wording and his reference to the metro.uk newspaper, the al-Shabaab social media wiz appears to be British [trained in the East London mosque, ‘Love’?].
HSM Press Office Tweets:
Here are 2 of the Mujahideen inside
#Westgate mall, unruffled and strolling around the mall in such sangfroid manner:
(Below) An admirer, it seems, with his list of inspirational content to justify jihad; of course, the hate preaching clerics: