Inter Milan have been fined £132,000 and ordered to play their next four matches behind closed doors after crowd trouble in a match against AC Milan.
Inter fans threw missiles and flares onto the pitch in the Champions League quarter-final on Tuesday, hitting AC Milan goal keeper Dida on the shoulder.
The match was stopped in the 73rd minute. AC Milan have been given a 5-0 win and go through to the semi-finals.
Games will be added to the ban if Inter re-offend in the next three years.
Inter Milan have three days to appeal against the decision.
It had been thought Inter might face much harsher punishment, with some people suggesting they should be banned from European competition.
Crowd trouble 'not acceptable'
But Uefa spokesman William Gaillard defended the decision.
He told BBC Radio Five Live: "It is a hefty punishment compared to anything that has been done for over five years.
"This kind of behaviour is clearly not acceptable and if any more trouble occurs it is obvious that they would get something heavier."
In 2001 Inter were ordered to play two European matches away from their home stadium San Siro and fined £35,000 after similar crowd trouble at their Uefa Cup tie with Spanish side Alaves.