SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT

                       Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

                           Date of Report May 29, 1998
                (Date of earliest event reported) (May 28, 1998)


                         MCI COMMUNICATIONS CORPORATION
              ----------------------------------------------------
             (Exact name of registrant as specified in its charter)


        Delaware                    0-6547            52-0886267
     --------------           ----------------       -------------
     (State or other             (Commission         (IRS Employer
     jurisdiction of             File Number)        Identification No.)
     incorporation)



             1801 Pennsylvania Avenue, N.W., Washington, D.C. 20006
             ------------------------------------------------------
                    (Address of Principal Executive Offices)

       Registrant's telephone number, including area code (202) 872-1600.




<PAGE>



                                     PAGE 2



Item 5. Other Events.

         On May 28,  1998,  the Company  announced  that it had  entered  into a
letter of intent  with  Cable and  Wireless  plc to sell its  Internet  backbone
service business (the "iMCI Business"). The purchase price for the iMCI Business
is United States  $625,000,000.  The completion of the transaction is subject to
certain  conditions   precedent,   including  receipt  of  certain  governmental
approvals including that of the Department of Justice ("DoJ"),  and satisfaction
of the  conditions  precedent to the merger of the Company and  WorldCom,  Inc.,
which  include  receipt of approvals  of the DoJ and the Federal  Communications
Commission.  The letter of intent will terminate if such governmental  approvals
are not received by December 31, 1998.


Item 7. Exhibits.


Exhibit No.                       Description
-----------                 -----------------------


  99(a)             Press  Release  issued by the Company and Cable and Wireless
                    plc on May 28, 1998.


<PAGE>




                                     PAGE 3


                                   SIGNATURES


     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.




                                   MCI COMMUNICATIONS CORPORATION

                                    /s/ Edward G. Freitag
                                   ------------------------------
                                    Edward G. Freitag
                                    Assistant Secretary

Date: May 29, 1998











<PAGE>


                                  EXHIBIT INDEX



Exhibit No.                    Description
-----------               -----------------------


   99(a)             Press Release  issued by the Company and Cable and Wireless
                     plc on May 28, 1998.
[{"type": "8-K", "sequence": "1", "description": "CURRENT REPORT ON FORM 8-K", "secsgml_size_bytes": 3200}]
{"company-data": {"conformed-name": "MCI COMMUNICATIONS CORP", "cik": "0000064079", "assigned-sic": "4813", "irs-number": "520886267", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-06547", "film-number": "98634654"}, "business-address": {"street1": "1801 PENNSYLVANIA AVE N W", "city": "WASHINGTON", "state": "DC", "zip": "20006", "phone": "2028721600"}, "mail-address": {"street1": "1801 PENNSYVANIA AVENUE NW", "city": "WASHINGTON", "state": "DC", "zip": "20006"}}
SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                       Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

                           Date of Report May 29, 1998
                (Date of earliest event reported) (May 28, 1998)

                         MCI COMMUNICATIONS CORPORATION
              ----------------------------------------------------
             (Exact name of registrant as specified in its charter)

        Delaware                    0-6547            52-0886267
     --------------           ----------------       -------------
     (State or other             (Commission         (IRS Employer
     jurisdiction of             File Number)        Identification No.)
     incorporation)

             1801 Pennsylvania Avenue, N.W., Washington, D.C. 20006
             ------------------------------------------------------
                    (Address of Principal Executive Offices)

       Registrant's telephone number, including area code (202) 872-1600.
PAGE 2

Item 5. Other Events.

         On May 28,  1998,  the Company  announced  that it had  entered  into a
letter of intent  with  Cable and  Wireless  plc to sell its  Internet  backbone
service business (the "iMCI Business"). The purchase price for the iMCI Business
is United States  $625,000,000.  The completion of the transaction is subject to
certain  conditions   precedent,   including  receipt  of  certain  governmental
approvals including that of the Department of Justice ("DoJ"),  and satisfaction
of the  conditions  precedent to the merger of the Company and  WorldCom,  Inc.,
which  include  receipt of approvals  of the DoJ and the Federal  Communications
Commission.  The letter of intent will terminate if such governmental  approvals
are not received by December 31, 1998.

Item 7. Exhibits.

Exhibit No.                       Description
-----------                 -----------------------

  99(a)             Press  Release  issued by the Company and Cable and Wireless
                    plc on May 28, 1998.
PAGE 3

                                   SIGNATURES

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                                   MCI COMMUNICATIONS CORPORATION

                                    /s/ Edward G. Freitag
                                   ------------------------------
                                    Edward G. Freitag
                                    Assistant Secretary

Date: May 29, 1998
EXHIBIT INDEX

Exhibit No.                    Description
-----------               -----------------------

   99(a)             Press Release  issued by the Company and Cable and Wireless
                     plc on May 28, 1998.