The mere thought of a potential defaulter winning Brazil's election would alarm investors, adding to the weakness of the currency.What can the government do?
The dearth of scientific knowledge adds to the alarm.
Violence against United Nations officials in Kinshasa adds to the alarm here.
And this aspect of "cross-words" - the competition - adds to the alarm.
The sell-off in the stock market only added to the alarm.
To add to the alarm, the authorities intercepted two letters, one addressed to Barack Obama and another to Roger Wicker, a senator, which appeared to contain ricin, a lethal poison.
(Not to add to the alarm, Sox fans, but your team has now lost nineteen of its last twenty-four regular season games).
Estate agency Savills has added to the alarm over Britain's property market by warning of a "housing crisis" stoked by a shortage of new homes.
The results of the UK-based Million Women Study, led by Oxford professor Dame Valerie Beral and funded partly by Cancer Research UK, published in 2003, added to the alarm.
Many computers befuddled by whiplashing markets stopped trading, leading to a liquidity crunch, itself a source of volatility.That Mr Sarao might be even partly to blame will only add to the alarm the flash crash engendered.
