US President Donald Trump will go all out to cut off aid to Pakistan if it continues to back terrorists, US Permanent Representative Nikki Haley has warned.

The US Attorney's Office in New York has filed federal terrorism charges against a bombing suspect who was accused of detonating a pipe bomb in an underpass at Manhattan's Port Authority Bus Terminal on Monday.

The National Investigation Agency (NIA) arrested a Bihar student leader for his alleged links with banned terror outfit Lashkar-e-Taiba, officials said.

The decision to set free Lashkar-e-Taiba (LeT) founder Hafiz Saeed, accused of masterminding the 2008 Mumbai massacre, shows Pakistan's "true face", the Indian government said on Thursday.

Backing a rules-based regional security architecture, Prime Minister Narendra Modi on Tuesday favoured India and the Asean grouping coming together for a joint fight against terrorism and violent extremism.

Amidst the buzz over the quadrilateral grouping with the US, Japan and Australia as a counter to China, Prime Minister Narendra Modi on Tuesday came out strongly in support of a safe, secure and free navigation in the Indo-Pacific region and for adherence to rule of law and international arbitration.

China on Thursday said President Xi Jinping and his visiting US counterpart Donald Trump have arrived at a consensus to jointly take on terrorism in South Asia.

A US court on Monday charged an Indian citizen to 27 1/2 years in federal prison for supporting terrorist outfit al-Qaida and plotting to kill a federal judge.

The truck driver of New York's deadly attack near 9/11 site has been charged with terrorism offences by the Federal prosecutors on Wednesday.

India and the US have agreed that Pakistan should immediately take steps to finish the terror organisations and terrorist safe havens on its soil, External Affairs Minister Sushma Swaraj said on Wednesday after her meeting with visiting US Secretary of State Rex Tillerson.