In a statement to the BBC, police said the search strategy is under review and that all new searches are subject to weather conditions, availability of resources and operational commitments.

BBC: Arkinson family criticise police search

The prosecution had initially rejected calls for a delay, but now admits that "operational constraints", such as the availability of court space, may make an April date "untenable", reports the BBC's Anna Holligan from The Hague.

BBC: ICC Kenyatta trial 'may be delayed' on defence complaint