Questions are being raised over whether the alleged Belfast attacker had his asylum claim fast-tracked under the last Conservative government in a streamlined process to reduce the vast asylum backlog by speeding up claims from countries like Sudan.

Hadi Alodid was given permission to stay in Britain after completing a 10-page Home Office questionnaire rather than undergoing the standard face-to-face interview process.

Figures from the Ministry of Justice showed the backlog in the First-tier Tribunal Immigration and Asylum Chamber increased by 68 per cent year-on-year to 151,767 at the end of…