Gaza is one of the most crowded places on earth. Most of its two million residents live in refugee camps and around half are unemployed. Gaza is governed by Hamas, an organisation that many governments regard as a terrorist group. Hamas extended its control over the whole of Gaza in 2007, after it ousted Fatah, which is now based in the West Bank. Since then Hamas has been involved in a number of conflicts with Israel.. Its military capability has grown over the years. Joining David Aaronovitch to explore who Hamas are and what they want are:

Jennifer Jefferis, Teaching Professor at Georgetown University's Security Studies program. She is also author of Hamas: Terrorism, Governance, and its Future in Middle East Politics.

Producers: John Murphy, Sally Abrahams, Luke Radcliff