China continues to help Pakistan in the fields of nuclear weapons and ballistic missiles, according to the Central Intelligence Agency's latest six-monthly report to the US Congress.

"We cannot rule out, however, some continued contacts subsequent to the pledge between Chinese entities and entities associated with Pakistan's nuclear weapons programme," says the report on Acquisition of Technology Relating to Weapons of Mass Destruction.

Unlike previous reports, there are no separate chapters relating to India and Pakistan, but their activities find mention in the context of actions by China, Russia, North Korea and the European Union.

The report elaborates on the assistance Pakistan and other countries are receiving for developing weapons of mass destruction and advanced conventional ammunitions.