The move comes under pressure from mediators Turkey and Qatar, who are trying to prevent another outbreak of deadly cross-border violence.

Pakistan’s defense minister has warned Afghanistan that any new “terrorist or suicide attack” by militants on Pakistani soil would draw a stern response.

Safi Dawood, an Afghan national, appeared before Westminster magistrates to face a murder charge and two counts of attempted murder after Wayne Broadhurst was killed and two others were injured in the attack in Midhurst Gardens, Uxbridge, on Monday.