Home Secretary Theresa May gave the keynote speech at Bnei Akiva's Yom Ha'aztmaut event.
The Conservative minister spoke about Israel's technological successes and the country's relationship with Britain.
She told an audience at Finchley United Synagogue about her hopes for peace in the Middle East.
If Benjamin Netanyahu’s new Israeli administration pushes an aggressive policy of settlement building it could hasten the creation of an independent Palestinian state, former British Foreign Secretary Sir Malcolm Rifkind has warned.
MPs and senior shadow ministers will speak at a pro-Israel conference in central London on Sunday.
Politicians from the Conservative and Labour parties, and representatives from the Liberal Democrats and Ukip, will appear at the We Believe in Israel event, organised by Bicom and other pro-Israel groups.