A teenager has admitted using WhatsApp and Skype to share terrorist documents, including an al Qaida magazine.

Sudesh Mamoor Faraz Amman, 18, was arrested in May for having the a stash of terror manuals on bomb-making, knife fighting and close combat.

Titles included US Army Knife Manual Techniques, Bloody Brazilian Knife Fighting and How to Make a Bomb in Your Kitchen.

Amman, of Brancker Road, Harrow, Middlesex, was accused of sharing an edition of the al Qaida online magazine Inspire on a WhatsApp group on New Year's Day.

He was also accused of sharing links to various other documents, including on bomb-making, via Skype chat.

Amman's activities were said to have spanned from June 2017 to April 2018.

He was charged on 16 counts of possessing and disseminating terrorist documents.

The defendant smiled as he walked into the Old Bailey dock wearing all black, his shoulder-length dark hair tucked into a prayer cap.

He entered guilty pleas to 13 charges before Judge Mark Lucraft QC, while remaining sitting.

The charges included six of possession and seven of disseminating terrorism documents on the basis he was reckless.

Amman denied three charges, which were ordered to lie on court file.

Judge Lucraft remanded the teenager into custody to be sentenced on December 17.