Any parents worried about their children's school food is asked to call Westminster City Council's advice line, which is open from 8am today.
The number is 020 7745 6401
More top news
Arriva Rail North, Greater Anglia and South Western Railway are all affected.
The Duchess of Cambridge was beaming on the steps of the Lindo Wing hours after giving birth. Mums are also revealing how they looked.
Everyone has their heads down and their eyes averted but I know they can sense my presence.