I have 5 down SICKENED "Recognise that small sugar-coated parcels were revolting" i.e. KEN with S+ICED, hence S
6 down ADULATORY " A day tour left wags puffing" anag. A+DAY+TOUR+L, hence A
7 DOWN YITZHAK "Israeli Embassy's ending broadcast at 1 KHz", i.e Y+anagram of AT+I+KHZ, hence the Y.