Activists had earlier tried to occupy the town hall as well as the police station, where CS spray was used to repel "a small group of protesters"; and a loose standoff had blocked the high street when dozens of police rushed to defend Foxtons after its window was smashed.
The obvious comparisons are with the Falklands war of 1982, where it was used to repel an invasion, and the post-9/11 invasion of the al-Qaida stronghold in Afghanistan, though the SAS's triple IRA killings in Gibraltar (1988) may also be a precedent.
Thomas Eisner, a groundbreaking authority on insects whose research revealed the complex chemistry that they use to repel predators, attract mates and protect their young, died on Friday at his home in Ithaca, N.Y.
Another effective method many gardeners use to repel snails and slugs is to sprinkle crushed egg shells on the earth surrounding the vulnerable plants.
This operation is used to repel against an insertion attack in which an intruder inserts a verification item into the verification table.
However, some specialized bee repellants such as Bee Go or Honey Robber can be used to repel bees from an area.
That march ended when the police used horses and nightsticks to repel a crowd that had gathered in Midtown and arrested 136 people.
North of the city, government forces used tanks and artillery to repel a large group of armed tribesmen who were trying to reach Sana to aid Mr. Saleh's rivals, the Ahmar clan.
A pest control company coated Ms. Solomon's sills with a sticky gel used to repel birds.
Expelling ink is a defensive tactic usually used to repel predators, as it clouds the water, and potentially contains irritating chemicals.
