U - S and British intelligence agents are helping India investigate the Mumbai terror attacks.FBI agents and members of Scotland Yard met today with top Indian officials.They're looking for evidence to connect the attack to the terrorist group Lashkar - e - TibaThe group operates out of Pakistan...The Pakistani government denies any connection to the attacks.One U - S official says the Indian government was warned about a potential attack back in October.At least 172 people were killed in the attacks... 6 were Americans.