National teachers' strikes: 21 pictures of picket lines and demonstrations in Halifax

There was a picket line outside Trinity Sixth Form Academy at the start of the day followed by a union rally outside Calderdale Industrial Museum.

Here are 21 pictures from the strike action in Calderdale today.

More on the strike action in Calderdale:

Chants of "Pay up" heard as strikers gather in Halifax for rally on day of national teachers' strikes

Halifax strikers gather on picket line outside Trinity Sixth Form Academy on day of national teachers' strike

These are the schools in Halifax and other parts of Calderdale closed during teachers' strikes today