A Gaza-fired rocket hit a home in central Israel and injured six people, Israeli officials said.
The sounds of air-raid sirens awoke the residents of Sharon on Monday and a loud explosion ensued. The Israeli military claimed to have identified a rocket from the Gaza Strip and had opened an investigation.
Police and doctors said a house had been hit and set on fire, and six people had been injured.
The incident in Mishmeret, an agricultural settlement town north of Tel Aviv, is at a time of high tensions, before the protests against the Gaza Strip in Gaza and a 9 April Israeli campaign took place.
Israeli Prime Minister Benjamin Netanyahu, who will be campaigning for a fifth term next month, cut short his visit to Washington after the rocket attack.
According to the Jerusalem Post, Netanyahu said he would "react energetically" against Hamas.
. "I spoke to the chief of staff, Chief of Staff Shin Bet and the head of the intelligence services, and he sees it as a criminal act against the state of Israel," he said.
The incident occurred ten days after rockets fired at Tel Aviv. The Hamas leaders in Gaza said they were fired by mistake.
There was no immediate claim to responsibility for the incident on Monday. When the air-raid sirens howled, explosions could be heard.
Israeli ambulance service reported treating six inmates of the building for wounds.
Gaza under Hamas control since 2007 The group won a decisive victory in the parliamentary elections a year ago, but Western governments refused to recognize their victory.
In June 2007, Hamas fought a preventive coup by its rival Fatah, which controls the Palestinian Authority, and ousted him from the strip.
That same summer, Israel and Egypt built a sustained blockade of land, navy and air in the coastal enclave. Israel has also launched three offensives against Gaza since December 2008. The last such offensive was in 201
The 52-day war has also severely damaged the already-weak Gaza war infrastructure, so the United Nations stated that the Strip would be "uninhabitable" by 2020.
Al Jazeera and news agencies