SF's Raymond McCartney says due process has started with Bloody Sunday PSNI investigation
Bloody Sunday victim's sister says she needs to see the paratroopers involved prosecuted over the 1972 killings
DUP's Gregory Campbell says either move on entirely from the past or investigate ALL incidents
The First Minister Peter Robinson says any police inquiry into Bloody Sunday must include the role of Martin McGuinness.
Witness Bloody Sunday
BBC Witness Bloody Sunday