Former soldier arrested for 1972 Bloody Sunday killings

UPDATE: A petition calling for soldiers involved in Bloody Sunday to be granted immunity from prosecution has gained more than 20,000 supporters in three days, The Irish News reports. A protest march against the police investigation of the former paratroopers is also being planned in London for later in November.

ORIGINAL POST: A former British soldier has been arrested in connection with the 1972 Bloody Sunday killings of 14 unarmed civil rights protesters in Derry, Northern Ireland. See coverage from: