A Pakistani father accused of killing his week-old daughter by shooting her five times because he wanted his firstborn to be a boy has been arrested, police said Thursday. In the deeply patriarchal country, a son is often believed to offer better financial security to parents than daughters, and girls and women face widespread violence. Newborn Jannat Fatima was killed on Sunday in the city of Mianwali, in central Punjab province, sparking a manhunt for her father Shahzeb Khan, who was arrested on Wednesday night following a series of raids, according to Punjab police. “The police were told by…