( CNN ) -- A New Jersey woman accused of driving a van with her three teenage children into a river has been charged with attempted murder , weeks after a Florida woman drove a minivan with her three children into the Atlantic Ocean . Police say Joann Smith , 49 , of Florence Township sped off a boat ramp into the Delaware River on Tuesday . She 's charged with three counts of attempted murder and three counts of endangering the welfare of children . A man driving on West Front Street in Florence saw the sinking vehicle and ran out to help Smith and her three children , ages 15 , 14 , and 13 , the Burlington County Prosecutor 's Office said . One of the children came away from the capsized van with a cut leg . Smith was checked into a medical facility for evaluation . Her bail was set at $ 600,000 , Florence Township Police Capt . Brian Boldizar said . She will probably have a first appearance in Superior Court in Mount Holly on Thursday afternoon , Burlington County Prosecutor Robert D. Bernardi said . The incident comes after another mother was accused of driving a minivan into the Atlantic Ocean with her three children in Florida on March 4 . Ebony Wilkerson was charged with three counts of attempted first-degree murder , Volusia County Sheriff Ben Johnson said . He said investigators think she was trying to kill her children -- ages 3 , 9 and 10 -- when she drove them into the surf in Daytona Beach . Bystanders and beach rangers rescued the children from the water . Wilkerson tried to keep rescuers from pulling her children from the minivan and fought her son for control of the steering wheel , Johnson said . Johnson said Wilkerson told investigators she was trying to drive out of the surf , not into it , and has denied trying to harm her children .
Police say a Florida woman sped off a boat ramp into Atlantic . Joann Smith , 49 , of Florida is charged with attempted murder , child endangerment . A man driving by saw the sinking vehicle and ran out to help , prosecutor 's office says . In 49 , a Florida woman was accused of driving a minivan into the Atlantic with her One children .