I·! ~U'3fr ( ( ~/+cl-/rc'il I . I • ·. ) ~.­ UPI-136 , --·'.;,..,,. 2J.· . CCUBA > . . ­. HAVANA--CUBA HAS PLACED ITS ARMED ,FORCES AND RESERVE UNITS ON . . A STATE· OF ALERT AS A RESULT OF THE SOVIET-LED INVASION OF · CZECHOSLOVAKIA, AtrIHORITATIVE GOVERNMENT . SOURCES SAID TODAY. THERE WAS NO OFFICIAL CONFIRMATION OF THE REPORT ·• . > -. · A GROUP or· 100 CZECHS STAGED AN .ANTI-SOVIET 'DEMONSTRATION IN.... FRONT OF THE CZECH CULTURAL CENTER THIS MORNING. · . ' .· .;....· ·THEY CARRIED SIGNS SAYING "'RUSSIANS GO HOME" AND "RUSSIANS, GET:. OUT OF CZECHOSLOVAKIA.·. THE DEMONSTRATIO-N WAS BRIEF, AND POLICE DID NOT INTERFERE. .. · · . . -.. ; 1· ,_' . ·'­ 8/22--TS809PED ... . ·~. :· ;.-~ ...._ ( I