Andrew Muir said: “This despicable attempt to destabilise our society will merely strenghten our resolve to defeat terrorism.
“All politicians must again stand together and unite in condemnation of this heinous act. Unity of purpose is essential to enable us to tackle terrorism.
“People want to move forward to a shared, peaceful future and they will not let the violent actions of a small minority push Northern Ireland back into the past.
“Anyone with information on this attack must contact police immediately and help them catch these thugs.”