Yemeni student Abir al-Maqtari dreamt of studying abroad but amid a tightening of restrictions on women echoing religious regimes in Iran and Afghanistan, Huthi forces blocked her from leaving.The Iran-backed Huthis, who have controlled swathes of the Arab world's poorest country since seizing the Yemeni capital Sanaa in 2014, have increasingly enforced travel restrictions on women over the past eight months, residents and activists say.