UP : Police say it was a crude device . NEW : The three victims were in the hotel 's reception area . Agra is home to the famed Taj Hotel , India 's most popular tourist spot . No cause has been determined yet .
NEW : Police say it was a crude device . NEW : The three injured were in the hospital 's reception area . Agra is home to the famed Taj Mahal , India 's most popular tourist spot . No motive has been determined yet .