eastern town of brega. it is unclear whether it was from eastern forces or progadhafi forces. nic, what can you tell us about this? >> reporter: well, as far as tripoli is concerned, on several occasions today, at least two occasions, we have heard aircraft flying overhead. on both of those occasions, we have heard what sounded like heavy explosions coming immediately after or just before we have heard the aircraft. it is not clear exactly what is being targeted in and around tripoli. this is the first time we have heard explosions here that sound like a bombing raid. the first time we have heard this in six days. unusual as well to have a bombing raid during daylight hours. what has happened with what appears to be an air strike on rebel forces in the east of the country, the details of that still remain unclear. however, i just had a discussion with former congressman, curt weldon, who was in a meeting with the prime minister here in