Palestinian President Mahmoud Abbas has called on militants in
He also condemned Israeli retaliatory air strikes, which on Thursday evening hit a building near the home of Prime Minister Ismail Haniya, of Hamas.
Earlier, more than 30 senior Hamas officials were detained by
The EU foreign policy chief, visiting Mr Abbas, also called for calm.
Speaking in
Mr Abbas said he was working with Palestinian factions to stop the firing of Qassam rockets on
He also said he was working for a "mutual truce" in the Gaza Strip that could be extended to the
Halting attacks
Palestinian officials said an Israeli air strike shortly after midnight on Friday hit a small building used by security guards near Mr Haniya's home in the Shati refugee camp.
Several other air strikes were reported, but no-one was reported killed.
Earlier on Thursday, Palestinian Education Minister Nasser al-Shaer, three lawmakers and three mayors were among the 33 Hamas officials taken by the Israelis.
Mr Shaer's wife Huda said soldiers knocked on the door of their home in
Mr Shaer, who served as deputy prime minister in a previous cabinet, was also detained in an Israeli round-up of Hamas members in August last year and released the following month.
Similar Israeli raids against Hamas last year sparked international outcry.
Meanwhile,
In the latest attacks they targeted two empty Hamas buildings - one in
Palestinian medical officials say six people were injured in the attacks. More than 30 Palestinians, at least 11 of them civilians, have died in the Israeli missile strikes.
The BBC's Aleem Maqbool in Ramallah says the Israeli strikes have failed to stop the intensified Palestinian rocket attacks, with yet more taking place on Thursday.
One Israeli civilian was killed and 16 wounded by rockets fired into Israeli border towns, particularly Sderot, in recent days.
PHOTO CAPTION
Palestinian President Mahmoud Abbas (R) and Javier Solana, the EU foreign policy chief