NEW : CNN 's Ben Wedeman , Nic Robertson and Reza Sayah contributed to this report . Mortar rounds land in Misrata clinic , causing casualties . Coalition airstrikes hit several rebel vehicles , reports say . Comment: The rebels are using the same tactics as Gaddafi did when he was fighting against the west and they have been successful so far. An opposition leader calls for the removal of snipers , mercenaries and militias .
NEW : Mortar rounds land in Misrata clinic , causing casualties . Coalition airstrikes hit several rebel vehicles , reports say . Comment: The rebels are using the same tactics as Gaddafi did when he was fighting against the west and they have been successful so far. An opposition leader calls for the removal of snipers , mercenaries and militias .