Coalition and Iraqi planes struck a sprawling complex of palaces in the city of Tikrit onThursday where ISIS militants have been holding out for more than three weeks,officials said.U.S.-led coalition planes launched their first air strikes againstISIS/ISIL targets in Saddam’s home city on Wednesday, coming off the sidelinesto aid Iraqi forces fighting alongside Shiite militia on the round.The decision to give air support to the Tikrit campaign pulls theUnited States into a messy battle that puts the U.S.-led coalition, on the sameside of a fight as Shiite militia, Reuters reports.