NATO forces have launched a number of missile strikes against targets in the Tripoli area that witnesses say appear to include the Libyan leader Muammar Gaddafi's compound.
Western forces began carrying out air raids on Libya on 19 March to enforce a United Nations no-fly zone and to protect civilians from attacks by government troops. NATO assumed responsibility for the military operation at the end of the month.
Libyan officials say four children were wounded, two seriously, by flying glass caused by blasts from NATO strikes in the capital on Tuesday.
Officials showed foreign journalists shattered windows in a hospital apparently by blast waves from a NATO strike that toppled a nearby telecommunications tower, Reuters reports.
The journalists were also taken to a government building housing the high commission for children that had been destroyed. The old colonial building had been damaged before in what officials said was a NATO strike on 30 April.
Two months into a conflict linked to this year's uprisings in other Arab countries, the rebels hold Benghazi and towns in the east while the government controls the capital and other cities.
In Misrata, hundreds have been killed after weeks of fighting.
The government says most Libyans support Colonel Gaddafi, the rebels are armed criminals and al Qaeda militants, and NATO's intervention is an act of colonial aggression by Western powers intent on stealing the country's oil.
