The US Federal Aviation Administration (FAA) and aerospace company Boeing have defended their oversight of the 737 Max aircraft, which has been involved in two crashes.
Boeing has unveiled software upgrades and more pilot training, while federal transportation officials promised better scrutiny during testimony on Capitol Hill.
Harry Horton reports from Capitol Hill:

H.H. Sheikh Mohammed reviews UAE tourism sector achievements for 2025
UAE outlines vision for low-emission hydrogen economy at World Hydrogen Summit
India, US discuss trade as Rubio cites progress on Iran conflict
ENOC signs deal with Allied Biofuels to explore sustainable aviation fuel supply
Mexico, EU sign stalled trade deal as they aim to diversify from US
