The UK says Eritrea could lose all visa access unless it takes back its nationals with no right to stay.
Home Secretary Shabana Mahmood told Eritrea to take back its nationals or face a complete ban.
From October 15, fast-track visa processing ended for Eritrean VIPs and officials.
Eritrean diplomats cannot travel more than 60 km past London without permission.
The UK says Eritrea abruptly stopped returns co-operation earlier this year.
Eritreans were the top nationality among small boat arrivals in the year to June 2026.
In the year to June 2026, 6,952 Eritrean asylum seekers reached the UK, and 5,875 came by small boat.
A total ban would block all legal routes for students, workers, visitors, and families.
A ban would not end asylum claims. People can still seek asylum after they reach the UK.
Angola, Namibia, and the Democratic Republic of Congo all improved co-operation after similar threats.
Eritrea must agree to take back its nationals fast. The UK has not named a date for a full ban.
Read the full story with every number and what happens next on Rive News.
Get the full breakdown, key numbers, and what happens next.
Read on Rive News