Official: Health Secretary Kathleen Sebelius to depart

U.S. Health Secretary Kathleen Sebelius is resigning following the problematic launch of President Barack Obama's healthcare law, U.S. media report. The law - regarded by the president's supporters as one of his main domestic achievements - has been marked by early technical problems and delays. Ms Sebelius has been health secretary since Mr Obama took office in 2009.
Background:
U.S. Health Secretary Sebelius resigns amid Obamacare row [BBC]
Health secretary resigns after Obamacare launch woes [Reuters]