Another day another cell-phone tower controversy in Los Angeles, this time in Sherman Oaks.

We recently told you how neighbors at a tower site near Beverly Hills became enraged by what they saw as an un-permitted move by AT&T at 125 North Doheny Drive. Those opponents eventually won that battle.

In Sherman Oaks, NBC4 reports, neighbors say T-Mobile made a sneaky move and erected its mobile tower in a residential neighborhood in the wee hours when nobody could attempt to block it.

See NBC4's video report here.

Protesters, concerned about possible radiation in a residential area filled with families, say they will fight to have the 4G tower removed.

They say neighbors never received a required letter that would have warned them before the tower went up.

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