Ed Miliband says Baroness Warsi has "acted with principle and integrity" in resigning from the Foreign Office over the Gaza conflict.
He added on Twitter that David Cameron should "break his silence" over Israel's "indefensible actions".
I think Baroness Warsi has acted with principle & integrity. People around Britain have been shocked by the suffering we have seen in Gaza.
David Cameron is right to condemn Hamas as a terrorist organisation but he needs to break his silence on Israel's indefensible actions.
More top news
The mother of a 21-year-old woman who died after taking potentially toxic diet pills has warned others to avoid using the drugs.
It's a case of mistaken identity as the actress is forced to differentiate himself from an Irish activist sharing her name
Jeffrey Okafor is accused of murdering 19-year-old Carl Beatson-Asiedu outside a nightclub in south London in 2009. His trial began today.