Svetlana Ukhanova, 24, was held at the Turkish border with Syria after an alert from her worried family.  She tried to cross the border using forged passports with her children Liza, six, and Amina, 18 months, plus boyfriend Evgeny Kochaari.  Posts on social media about her "dreams" several years ago included "London, autumn, romance, hotels, fireplace, wine, pictures and soft beds". She longed to go "for the weekend" to Cannes and the French Riviera. Friend Anna said "serious changes" suddenly overcame her after she became "brainwashed" by radical Islam.  "Always surrounded by friends, she suddenly blocked all contacts, stopped communicating, divorced her husband, and began wearing a Muslim scarf," she said.  Her former mother-in-law Tatiana Ukhanova said she was had been a "perfect" wife…