NEW : Mexican rescue squad arrives in Sendai . Japanese search and rescue teams are in hard - hit Ofunato . `` There are a lot hazards that have never been experienced by a search-and-rescue team , '' Kunitomi said . New Zealand sends search and rescue team as it recovers from its own earthquake . China sends team despite long - standing dispute with Japan .
NEW : Mexican rescue squad arrives in Sendai . Japanese search and rescue teams are in hard - hit Ofunato . New Zealand sends search and rescue team as it recovers from its own earthquake . China sends team despite long - standing dispute with Japan .