Following are developments in the fighting in the Gaza Strip as of 0530 GMT
*Gaza Heavy air and tank bombardments of southern Gaza Strip and east of the city of Gaza overnight.
*Khan Younis Israeli air strike destroys the house of Mohammed al Senwar, a senior Hamas commander in Khan Younis suspected of involvement in the kidnapping of the Israeli soldier Gilad Shalit in 2006. No one killed, residents say.
*Khan Younis Several Israeli tanks advance in southern Gaza Strip towards the outskirts of Khan Younis.
*Rafah Sustained bombing overnight of the area along the southern Gaza border with Egypt where tunnels were used to smuggle goods and weapons into Gaza. Israel has said it intends to destroy the tunnel networks, thought to number in the 100s.