It's being held this afternoon....
The attacker, who was shot dead, has now been identified....
Mohanad Abdullaahi Goobe was just 15 years old....
He remains in custody for questioning....
A horrific incident....
Police are now appealing for information....
An arrest has already been made....
"She would always light up the room she entered."...
A 70-year-old woman has already been arrested....
