The Moshannon Valley EMS, a nonprofit in Philipsburg, Pennsylvania, is one of many rural emergency services across the country dealing with an increase in detained immigrants. Kainaz Amaria/NOTUSPHILIPSBURG, Pennsylvania — Emergency responders sped out of a Pennsylvania immigrant detention center on a recent Saturday morning, sirens blaring as they drove past more than 20 protesters demanding the lockup’s closure.It was the Moshannon Valley EMS …