Islamabad/New Delhi, Aug 18 - A day after Indian Prime Minister Manmohan Singh said terror groups based in Pakistani territory were plotting attacks against India, Pakistan Tuesday said it couldn't take such remarks 'lightly' and asked New Delhi to share information on such threats.

'If the (Indian) prime minister says something like this, we can't take it lightly,' Pakistan's Foreign Minister Shah Mahmood Qureshi told reporters on the sidelines of an official function in Islamabad.

'If there is such information with (India), share it with the government of Pakistan so that we can pre-empt such an act,' he said.

'We have conveyed this to them and let's see what is their response,' he added.

Addressing a conference of chief ministers on internal security Monday, Manmohan Singh had said 'there is credible information of ongoing plans of terrorist groups in Pakistan to carry out fresh attacks' and warned of fresh infiltration from across the border.

Manmohan Singh also described cross-border terrorism as 'the most pervasive threat' facing India and stressed the need for continuing vigilance.

Soon after Manmohan Singh's remarks, Afrasiab, director general (South Asia) in Pakistan's Foreign Office, Monday called India's deputy high commissioner Manpreet Vohra and conveyed to him that Islamabad would like to 'extend its fullest cooperation' to New Delhi 'to pre-empt any act of terror'.