Israel assassinates Hamas rocket division head? Or was it Mohammed Deif?

The top Hamas commander that was assassinated by the IDF this evening is Mohammed Yassin Dalou (Dalu?) Head of the Hamas Rocket division
— Smartguy (@Gr8_guy) August 19, 2014

Speculation on Israel Radio that Mohammed Deif was killed and this explains the massive missile attack
— IMRA (@IMRA_UPDATES) August 19, 2014

לפני הירי: נסיון חיסול של בכיר חמאס בשייח רדואן. בישראל מסרבים לאשר האם מדובר במחמד דף והאם נפגע
— Alon Ben-David (@alonbd) August 19, 2014

Translation: Before the firing: An assassination attempt on a senior Hamas member in Sheikh Radwan. In Israel they will not confirm whether it's talking about Mohammed Deif and whether he was hit.

Hamas statement in al-Rai newspaper claiming rocket fire across Israel in response to attack on house in Gaza city. https://t.co/JU3JesmQT8

— Daniel Nisman (@DannyNis) August 19, 2014

Israeli media reporting that Mohammed Dalu, head of Hamas' rocket unit, has been killed in a targeted assassination (no confirmation)
— Chemi Shalev (@ChemiShalev) August 19, 2014