何かあった？
Words
何
(なに、なん)
what; how many; you-know-what; that; whatsit; what's the expression; what do you call them; what?; hey!
か
(か)
indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way
有る
(ある)
to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about
Kanji
Readings: カ、 なに、 なん、 なに-、 なん-
Meaning: what