Luca Parmitano and Chris Cassidy explain what happened during EVA 23

Italian astronaut Luca Parmitano and NASA astronaut Chris Cassidy were hard at work outside the International Space Station (ISS) for the second time, when water started to leak into Luca Parmitano's space suit helmet, immediately resulting in the duo heading back to the Quest Airlock to terminate the EVA. Luca and Chris explain the events that happened during EVA # 23.