Hamas on Monday announced it would stop releasing Israeli hostages until further notice over what the Palestinian militant group called Israeli violations of a ceasefire agreement in Gaza, raising the risk of reigniting the conflict.

Hamas said Monday it will delay the further release of hostages in the Gaza Strip after accusing Israel of violating a fragile ceasefire that now faces its most serious crisis since it began three weeks ago.

Five Thai nationals held hostage by Hamas since its attack on Israel have returned home after their release from captivity last month