In which city does the hot air balloon crashed in February 2013 because of mid-air gas explosion that killed 19 European and Asian tourists.the blast took place at 1000 feet(300 Metres).the deceased were from Hong Kong,japan,France and Britain.
US house of representatives passed the cyber information sharing and protection act,also called CISPA on 18 april 2013.how many times the US house of representatives passed the CISPA till date.