The last attack occurred 3 months and 2 days ago.
Had the attack occurred a bit later, the office would have been full.
The first attack using the system occurred the next night.
The second attack occurred three months later during a live show.
His last known attack occurred exactly two years ago today, the police said.
The attack occurred in the next district when the Americans were on their own, he said.
The most recent attack occurred on June 13, the police said.
It did not say on what day the attack occurred.
Most attacks have occurred early in the morning or late at night.
What were you thinking about, or working on, the day the attacks occurred?
