Finsbury Park station is to remain open this morning after at least 10 people were hit by a van leaving a mosque.
Transport for London confirmed that there would be normal services throughout the morning, but the Seven Sisters Road entrance would be closed.
The A503 Seven Sisters Road is closed between Hornsey Road and Blackstock Road this morning and Isledon Road has also been closed.
TfL Traffic News said they expect the road to be closed for some time.
There will also be diversions on buses that pass through the area. TfL Bus Alerts said the following routes are affected: 4, 29, 253, 259, N29, N253, N279.
They are being diverted between Holloway Nags Head and Finsbury Park in both directions.
Route 254 is curtailed to Manor House and Route 153 is curtailed to Holloway Nags Head due to an incident at Finsbury Park.