March 19, 1970

Pnompenh radio announces Norodom Sihanouk has been overthrown; power apparently seized by Premier Lon Nol and Deputy Premier Sisowath Sirik Matak, cousin of Norodom Sihanouk; Cambodia cut off from world except for broadcasts; closes its 2 commercial airports; Natl Assembly Pres Cheng Heng designated as interim Chief of State pending elections; he accepts, radio s; Govt accuses Vietnamese Communists of spreading false rumors, bribing officials and trying to set Cambodians against each other; relieves Pnompenh police chief of his functions but gives no reasons; Kosygin and Norodom Sihanouk illus in Moscow

Fed Reserve Chmn Burns says state and local govt spending is growing less rapidly than usual but may show more strength later in yr, Sen com hearing

Mayor Lindsay, as part of Apr 22 nationwide effort to dramatize pollution, plans to close 2 city sts to show what city would be like without auto traffic, which is said to acct for more than 1 /2 of pollution, news conf; map; details; Environmental Action Coalition hails plan; business leaders opposed

Named supt of US Mil Acad

NYS Sen, 31-26, approves reform bill; 5-hr debate termed historic; Sen Dominick, bill sponsor, appealed for passage; Brydges stayed out of debate until roll-call, cast no vote; Sen Stewart cast needed 'yes vote' to assure bill passage; Sens Marchi, Lentol and Conklin pleas to reject bill detailed; bill supporters optimistic on passage in Assembly; Marchi illus