This is AP News Minute.Thousands of residents gathered in the Egyptian city of Mansoura on Tuesdayto mourn the victims of a deadly bombing at a police headquarters.At least 13 people were killed and dozens more injured in the attack that the government has blamed on Islamic militants.Two American astronauts took their second space walk in four daysto make final critical repairs to the International Space Station's cooling system.Astronaut Mike Hopkins said it felt like he was opening a present on Christmas morning as they successfully installed a new pump module.Back on earth, the day before Christmas was looking a lot like the day after Christmas,as stores attempted to lure in last-minute shoppers with special deals and discountson the heels of what analysts say has been a disappointing season.And "Bah! Humbug!" Police saya man dressed as Santa Claus was shot in the back with a pellet gun at a toy giveaway in the nation's capital.He was taken to the hospital with non-life-threatening injuries.Hannah Buchdahl, the Associated Press with AP News Minute.