King will be replaced by 2008 New Zealand Sevens squad member Chad Tuoro of Counties Manukau.
A decision about King’s participation in the final tournament of the Series in Edinburgh will be made at the conclusion of the London event.
New Zealand’s pool matches in London are (all local time):
Saturday 24 May
New Zealand v Argentina at 9.00am
New Zealand v Moldova at 12.06pm
New Zealand v Wales at 4.52pm
Sunday 25 May Quarterfinals start at 12.28pm Semifinals start at 4.44pm Cup final is at 6.52pm