A swimming went missing near Lion Rock about 6 pm last and despite extensive searching by lifeguards in IRBs and rescue helicopters, has not been found. Fixed wing planes and people on the ground are searching again Sunday.

Another person with the missing man was rescued and treated.

http://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=11769060

Second report

http://i.stuff.co.nz/national/87685938/emergency-services-rush-to-find-missing-piha-swimmer