JOPLIN, Mo. - (AP) - The massive tornado that tore through Joplin,Mo. is now officially the deadliest single U.S. twister in nearlysix decades with a death toll of at least 122.

City Manager Mark Rohr announced the new death toll Tuesdayevening, saying 750 people also were injured in Sunday's tornado.

Officials say nine people have meanwhile been recovered fromdebris and an intensive search and rescue effort will continue.

The twister is the deadliest single tornado since the NationalWeather Service began keeping official records in 1950. But theservice says it has researched events before then and that Joplinhas seen the 8th-deadliest single twister in U.S. history.

Federal officials estimate about 8,000 structures were damaged.

Series of tornadoes kill at least 4 in OklahomaMissouri tornado toll at 117; search for victims goes on Bronx woman leads local relief for tornado victims