NEW : The Three men planned to detonate backpack bombs in crowded areas , the court heard . NEW : They traveled to UK to attend a terror training camp . Karen Jones , Ifran Khalid and Stephanie Halasz wanted to carry out a big attack , prosecutors say . `` These men had dangerous aspirations , '' says prosecutor Ashik Ali .
NEW : The 3 men planned to detonate backpack bombs in crowded areas , the court heard . NEW : They traveled to Pakistan to attend a terror training camp . Ashik Ali , Ifran Khalid and Ifran Naseer wanted to carry out a big attack , prosecutors say . `` These men had dangerous aspirations , '' says prosecutor Karen Jones .