NEW : The 3 men planned to plant backpack bombs in crowded areas , the court says . NEW : The July 7 , 2005 bombings in London , which targeted buses and the subway , killed 52 people and injured more than 700 . They traveled to Pakistan to attend a terror training camp . Ashik Ali , Ali Khalid and Mohammed Khalid wanted to carry out a big attack , prosecutors say . ` ` These men had dangerous aspirations , '' says prosecutor Karen Jones .
NEW : The 3 men planned to plant backpack bombs in crowded areas , the court says . NEW : They traveled to Pakistan to attend a terror training camp . Ashik Ali , Ali Khalid and Mohammed Khalid wanted to carry out a big attack , prosecutors say . ` ` These men had dangerous aspirations , '' says prosecutor Karen Jones .