Soviet Says China Delayed Planes With Aid for Hanoi; SOVIET SAYS CHINA HINDERS HANOI AID
Izvestia charges Chinese hamper and endanger USSR planes flying personnel to N Vietnam when they stop to refuel in Peking; incidents include harrassment by Red Guards shouting anti-Soviet slogans; Tass repts emergency evacuation of dependents of USSR personnel in Peking prepared; embassy staff under harassment
