Two conversions that a Christian family says were forced have strained relations between a tiny Palestinian Christian community in the Hamas-run Gaza Strip and the Muslim majority, Reuters reported.

Hundreds of Christians have staged protests in Gaza's main church in the past week, demanding the return of members of their community of 2,500, whom they said were kidnapped by Islamist proselytizers and forced to convert to Islam.

Christians are blaming the Hamas-affiliated Palestine Scholars Association and its chairman Salem Salama, a senior member of the Islamist Hamas movement.

Hamas has run Gaza since its forces seized control of the coastal enclave in 2007, ousting security services loyal to President Mahmoud Abbas of the secular Fatah movement.

Hamas officials reject the church's accusations, saying two Christians, a man and a woman, converted freely to Islam. The woman, who had left her husband, brought along her three daughters aged 12, 9, and 6 who are now being taught the Koran.

Only nine Gaza Christians are known to have converted to Islam in the past half-dozen years, an insignificant number. Yet the church and some congregants see the latest conversions as the thin end of the wedge and say they are being targeted.

The Christians of Gaza work in almost all professions. Many are doctors and teachers, and some own jewelry stores. Their number dropped to 2,500 from 3,000 before 2007, mostly owing to economic reasons in the enclave, blockaded by Israel.

There are many more Christians among Palestinians of the West Bank, about 52,000 out of a population of 2.5 million, where they have their own Christian schools.

Some of the Palestinian Christians living among Gaza's 1.7 million Muslims are educated in Hamas government schools.

Some Gaza Christian families say their children are the target of "brainwashing" attempts by Muslim activists.