The investigation is still ongoing....
The investigation is said to be 'continuing at pace'....
He was described as being 'cowardly'....
What are your thoughts on this? You can have your say now....
He answered "no comment" to all questions asked in his interviews....
"If love was enough, she would be here with us right now celebrating."...
A man, 55, has also been arrested....
Can you help?...
Mohanad Abdullaahi Goobe was just 15 years old....