This just in:
See http://news.bbc.co.uk/1/hi/business/10105863.stm
in which the BBC states
The British Airways cabin crew union, Unite, has announced fresh strike dates in its long-running dispute with the airline.
Cabin crew will walk out for four separate five-day strikes in May and June.
The first strike will begin on 18 May, ending on 22 May, with the three further strikes beginning on 24 May, 30 May and 5 June.