MUMBAI, India � India has formally demanded that Pakistan take "strong action" against the people behind the Mumbai attacks.

Foreign Ministry spokesman Vishnu Prakash has told reporters Pakistan's high commissioner to India was summoned and told that "elements from Pakistan" had carried out the attacks.

India "expects that strong action would be taken against those elements," he says the high commissioner was told.

The series of coordinated attacks on at least ten sites across India's financial capital left at least 172 people dead.