Lubin was murdered in a stabbing attack carried out by a resident of east Jerusalem near Herod's Gate of the Old City in Jerusalem.
Four terrorists were killed during the operations in the Palestinian city of Tulkarm.
The terrorist was killed by officers responding at the scene of the attack.
In the words of a statement from the emergency response committee, "Many members who had weapons went out to fight the terrorists and, with their bodies, prevented a larger disaster"
Israeli forces came under fire and explosives were thrown at them during the operation. They responded in kind with gunfire and killed several armed individuals.
The incident comes amid increased fighting between Israeli troops and Hamas terrorists following a large-scale incursion from armed Gazan terrorists into Israel.
Three of the officers are seriously wounded, and two are moderately wounded.
Israeli forces were attacked with stones during an arrest in Salfit and had to employ anti-riot measures.
The Palestinian terrorist threw a Molotov cocktail at an IDF post near Al Fawar in the West Bank.
Settlers accused the government of a 'campaign of destruction' targeting settlements after an illegal West Bank outpost was razed Wednesday.