Israel has been forced to launch an air strike on a Hamas group which was about to fire rockets at an Israeli settlement. Later in the day another team launched 24 rockets and mortar shells at an Israeli settlement and kibbutz. Hamas terrorists also fired RPGs and rifles at Israeli troops in another area.
When the IDF fired on the mortar crew they destroyed the rocket launcher and Hamas reported that a man was critically injured while conducting a "holy mission."
Hamas also stated that this reaction to their own attack was "a dangerous Israeli escalation." Hamas would obviously prefer that the IDF did not respond to months of mortar attacks.
The New York Times informs us that Hamas has "generally been observing the truce". How they are observing a truce by firing rockets and mortars at civilians is not discussed in detail.