The WHO's Phase 5 threat warning signals that a global pandemic could be imminent, but has yet to develop, with human-to-human transmission occurring in many geographical locations.

VOA: standard.2009.04.30

The debate about strategy and troop strength is occurring as 30,000 Pakistani troops are launching a massive military operation in South Waziristan, along the border with Afghanistan.

VOA: standard.2009.10.21

"I think the most frequent type of attack that has been occurring in the past is people showing up with Molotov cocktails and throwing them into or at the homes of Roma in several towns of the country.

VOA: standard.2009.08.22