Israel's spokesperson David Mencer and BBC Radio 4's Nick RobinsonAn Israeli government spokesperson furiously accused top BBC presenter Nick Robinson of lying about aid getting into Gaza live on air.David Mencer was speaking to Radio 4′s Today programme as concerns over the humanitarian crisis grow in the Palestinian territory.Israel closed all crossings into Gaza on March 2, meaning no fresh supplies have been allowed to enter since – plunging much of the 2.1 million population into starvation.Israel has also dismantled the long-standing system for getting food into Gaza and set up its own controversial Gaza Humanitarian Foundation.