BOSTON Turkish PhD student Rumeysa Öztürk challenged her detention in a Boston federal court, arguing that her arrest and rapid transfer out of Massachusetts were unlawful, according to a report Thursday. Öztürk, a 30-year-old Fulbright scholar and third-year doctoral student at Tufts University, was arrested by masked US Immigration and Customs Enforcement (ICE) agents on March 25 as she left her home in Somerville to attend an iftar, or fast-breaking dinner, during the Muslim holy month of