We've taken 30 calls since strike action began at noon and we're still urging Londoners to Take Extra Care http://t.co/aQPiRqXM1Y
More top news
But figures show here in London almost 30,000 children in London haven't had that follow-up jab.
The performance will help children discover the sounds that different instruments make.
Fifty-one people died when the pleasure boat Marchioness collided with the dredger Bowbelle in the early hours of August 20 1989.